Home / 653,748.14-900,086.91-557,870.06

Finding the Fourth Proportional to 653,748.14, 900,086.91 and 557,870.06

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Solution

The fourth proportional to 653,748.14, 900,086.91 and 557,870.06 is: 768,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,748.14 : 900,086.91 = 557,870.06 : x
  2. Step 2: Convert to fraction form
    653,748.14/900,086.91 = 557,870.06/x
  3. Step 3: Cross multiply
    653,748.14x = 900,086.91 × 557,870.06
  4. Step 4: Simplify right side
    653,748.14x = 502,131,538,486.92
  5. Step 5: Solve for x
    x = 502,131,538,486.92/653,748.14
  6. Step 6: Final answer
    x = 768,081.02

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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.