Home / 907,542.36-1,252,360.91-499,564.52

Finding the Fourth Proportional to 907,542.36, 1,252,360.91 and 499,564.52

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Solution

The fourth proportional to 907,542.36, 1,252,360.91 and 499,564.52 is: 689,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,542.36 : 1,252,360.91 = 499,564.52 : x
  2. Step 2: Convert to fraction form
    907,542.36/1,252,360.91 = 499,564.52/x
  3. Step 3: Cross multiply
    907,542.36x = 1,252,360.91 × 499,564.52
  4. Step 4: Simplify right side
    907,542.36x = 625,635,068,111.29
  5. Step 5: Solve for x
    x = 625,635,068,111.29/907,542.36
  6. Step 6: Final answer
    x = 689,372.86

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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.