Home / 907,882.83-1,252,830.33-520,678.24

Finding the Fourth Proportional to 907,882.83, 1,252,830.33 and 520,678.24

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Solution

The fourth proportional to 907,882.83, 1,252,830.33 and 520,678.24 is: 718,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,882.83 : 1,252,830.33 = 520,678.24 : x
  2. Step 2: Convert to fraction form
    907,882.83/1,252,830.33 = 520,678.24/x
  3. Step 3: Cross multiply
    907,882.83x = 1,252,830.33 × 520,678.24
  4. Step 4: Simplify right side
    907,882.83x = 652,321,489,140.56
  5. Step 5: Solve for x
    x = 652,321,489,140.56/907,882.83
  6. Step 6: Final answer
    x = 718,508.45

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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.