Home / 730,123.66-1,007,574.15-407,847.34

Finding the Fourth Proportional to 730,123.66, 1,007,574.15 and 407,847.34

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Solution

The fourth proportional to 730,123.66, 1,007,574.15 and 407,847.34 is: 562,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,123.66 : 1,007,574.15 = 407,847.34 : x
  2. Step 2: Convert to fraction form
    730,123.66/1,007,574.15 = 407,847.34/x
  3. Step 3: Cross multiply
    730,123.66x = 1,007,574.15 × 407,847.34
  4. Step 4: Simplify right side
    730,123.66x = 410,936,436,930.26
  5. Step 5: Solve for x
    x = 410,936,436,930.26/730,123.66
  6. Step 6: Final answer
    x = 562,831.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.