Home / 926,326.80-1,389,490.20-452,768.40

Finding the Fourth Proportional to 926,326.80, 1,389,490.20 and 452,768.40

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Solution

The fourth proportional to 926,326.80, 1,389,490.20 and 452,768.40 is: 679,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,326.80 : 1,389,490.20 = 452,768.40 : x
  2. Step 2: Convert to fraction form
    926,326.80/1,389,490.20 = 452,768.40/x
  3. Step 3: Cross multiply
    926,326.80x = 1,389,490.20 × 452,768.40
  4. Step 4: Simplify right side
    926,326.80x = 629,117,254,669.68
  5. Step 5: Solve for x
    x = 629,117,254,669.68/926,326.80
  6. Step 6: Final answer
    x = 679,152.60

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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.