Home / 936,586.76-1,292,489.71-506,866.89

Finding the Fourth Proportional to 936,586.76, 1,292,489.71 and 506,866.89

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Solution

The fourth proportional to 936,586.76, 1,292,489.71 and 506,866.89 is: 699,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,586.76 : 1,292,489.71 = 506,866.89 : x
  2. Step 2: Convert to fraction form
    936,586.76/1,292,489.71 = 506,866.89/x
  3. Step 3: Cross multiply
    936,586.76x = 1,292,489.71 × 506,866.89
  4. Step 4: Simplify right side
    936,586.76x = 655,120,238,397.54
  5. Step 5: Solve for x
    x = 655,120,238,397.54/936,586.76
  6. Step 6: Final answer
    x = 699,476.29

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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.