Home / 947,255.13-1,307,143.85-517,444.02

Finding the Fourth Proportional to 947,255.13, 1,307,143.85 and 517,444.02

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Solution

The fourth proportional to 947,255.13, 1,307,143.85 and 517,444.02 is: 714,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,255.13 : 1,307,143.85 = 517,444.02 : x
  2. Step 2: Convert to fraction form
    947,255.13/1,307,143.85 = 517,444.02/x
  3. Step 3: Cross multiply
    947,255.13x = 1,307,143.85 × 517,444.02
  4. Step 4: Simplify right side
    947,255.13x = 676,373,765,875.06
  5. Step 5: Solve for x
    x = 676,373,765,875.06/947,255.13
  6. Step 6: Final answer
    x = 714,035.47

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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.