Home / 610,688.66-916,560.03-423,831.38

Finding the Fourth Proportional to 610,688.66, 916,560.03 and 423,831.38

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Solution

The fourth proportional to 610,688.66, 916,560.03 and 423,831.38 is: 636,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,688.66 : 916,560.03 = 423,831.38 : x
  2. Step 2: Convert to fraction form
    610,688.66/916,560.03 = 423,831.38/x
  3. Step 3: Cross multiply
    610,688.66x = 916,560.03 × 423,831.38
  4. Step 4: Simplify right side
    610,688.66x = 388,466,902,367.74
  5. Step 5: Solve for x
    x = 388,466,902,367.74/610,688.66
  6. Step 6: Final answer
    x = 636,112.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.