Home / 947,612.94-1,307,708.19-517,898.22

Finding the Fourth Proportional to 947,612.94, 1,307,708.19 and 517,898.22

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Solution

The fourth proportional to 947,612.94, 1,307,708.19 and 517,898.22 is: 714,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,612.94 : 1,307,708.19 = 517,898.22 : x
  2. Step 2: Convert to fraction form
    947,612.94/1,307,708.19 = 517,898.22/x
  3. Step 3: Cross multiply
    947,612.94x = 1,307,708.19 × 517,898.22
  4. Step 4: Simplify right side
    947,612.94x = 677,259,743,880.42
  5. Step 5: Solve for x
    x = 677,259,743,880.42/947,612.94
  6. Step 6: Final answer
    x = 714,700.82

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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.