Home / 947,127.24-1,307,014.20-517,409.28

Finding the Fourth Proportional to 947,127.24, 1,307,014.20 and 517,409.28

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Solution

The fourth proportional to 947,127.24, 1,307,014.20 and 517,409.28 is: 714,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,127.24 : 1,307,014.20 = 517,409.28 : x
  2. Step 2: Convert to fraction form
    947,127.24/1,307,014.20 = 517,409.28/x
  3. Step 3: Cross multiply
    947,127.24x = 1,307,014.20 × 517,409.28
  4. Step 4: Simplify right side
    947,127.24x = 676,261,276,171.78
  5. Step 5: Solve for x
    x = 676,261,276,171.78/947,127.24
  6. Step 6: Final answer
    x = 714,013.12

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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.