Home / 863,042.80-1,294,564.20-564,444.40

Finding the Fourth Proportional to 863,042.80, 1,294,564.20 and 564,444.40

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Solution

The fourth proportional to 863,042.80, 1,294,564.20 and 564,444.40 is: 846,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,042.80 : 1,294,564.20 = 564,444.40 : x
  2. Step 2: Convert to fraction form
    863,042.80/1,294,564.20 = 564,444.40/x
  3. Step 3: Cross multiply
    863,042.80x = 1,294,564.20 × 564,444.40
  4. Step 4: Simplify right side
    863,042.80x = 730,709,513,130.48
  5. Step 5: Solve for x
    x = 730,709,513,130.48/863,042.80
  6. Step 6: Final answer
    x = 846,666.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.