Home / 730,917.47-1,008,688.34-408,641.15

Finding the Fourth Proportional to 730,917.47, 1,008,688.34 and 408,641.15

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Solution

The fourth proportional to 730,917.47, 1,008,688.34 and 408,641.15 is: 563,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,917.47 : 1,008,688.34 = 408,641.15 : x
  2. Step 2: Convert to fraction form
    730,917.47/1,008,688.34 = 408,641.15/x
  3. Step 3: Cross multiply
    730,917.47x = 1,008,688.34 × 408,641.15
  4. Step 4: Simplify right side
    730,917.47x = 412,191,563,249.19
  5. Step 5: Solve for x
    x = 412,191,563,249.19/730,917.47
  6. Step 6: Final answer
    x = 563,937.22

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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.