Home / 947,445.66-1,307,419.92-517,729.32

Finding the Fourth Proportional to 947,445.66, 1,307,419.92 and 517,729.32

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Solution

The fourth proportional to 947,445.66, 1,307,419.92 and 517,729.32 is: 714,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,445.66 : 1,307,419.92 = 517,729.32 : x
  2. Step 2: Convert to fraction form
    947,445.66/1,307,419.92 = 517,729.32/x
  3. Step 3: Cross multiply
    947,445.66x = 1,307,419.92 × 517,729.32
  4. Step 4: Simplify right side
    947,445.66x = 676,889,626,136.05
  5. Step 5: Solve for x
    x = 676,889,626,136.05/947,445.66
  6. Step 6: Final answer
    x = 714,436.36

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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.