Home / 947,617.12-1,307,672.16-517,912.16

Finding the Fourth Proportional to 947,617.12, 1,307,672.16 and 517,912.16

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Solution

The fourth proportional to 947,617.12, 1,307,672.16 and 517,912.16 is: 714,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,617.12 : 1,307,672.16 = 517,912.16 : x
  2. Step 2: Convert to fraction form
    947,617.12/1,307,672.16 = 517,912.16/x
  3. Step 3: Cross multiply
    947,617.12x = 1,307,672.16 × 517,912.16
  4. Step 4: Simplify right side
    947,617.12x = 677,259,312,957.47
  5. Step 5: Solve for x
    x = 677,259,312,957.47/947,617.12
  6. Step 6: Final answer
    x = 714,697.21

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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.