Home / 698,726.80-1,048,090.20-486,150.40

Finding the Fourth Proportional to 698,726.80, 1,048,090.20 and 486,150.40

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Solution

The fourth proportional to 698,726.80, 1,048,090.20 and 486,150.40 is: 729,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,726.80 : 1,048,090.20 = 486,150.40 : x
  2. Step 2: Convert to fraction form
    698,726.80/1,048,090.20 = 486,150.40/x
  3. Step 3: Cross multiply
    698,726.80x = 1,048,090.20 × 486,150.40
  4. Step 4: Simplify right side
    698,726.80x = 509,529,469,966.08
  5. Step 5: Solve for x
    x = 509,529,469,966.08/698,726.80
  6. Step 6: Final answer
    x = 729,225.60

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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.