Home / 626,960.81-865,470.68-423,287.52

Finding the Fourth Proportional to 626,960.81, 865,470.68 and 423,287.52

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Solution

The fourth proportional to 626,960.81, 865,470.68 and 423,287.52 is: 584,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,960.81 : 865,470.68 = 423,287.52 : x
  2. Step 2: Convert to fraction form
    626,960.81/865,470.68 = 423,287.52/x
  3. Step 3: Cross multiply
    626,960.81x = 865,470.68 × 423,287.52
  4. Step 4: Simplify right side
    626,960.81x = 366,342,935,653.48
  5. Step 5: Solve for x
    x = 366,342,935,653.48/626,960.81
  6. Step 6: Final answer
    x = 584,315.53

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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.