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Finding the Fourth Proportional to 652,876.38, 900,987.30 and 366,414.21

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Solution

The fourth proportional to 652,876.38, 900,987.30 and 366,414.21 is: 505,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,876.38 : 900,987.30 = 366,414.21 : x
  2. Step 2: Convert to fraction form
    652,876.38/900,987.30 = 366,414.21/x
  3. Step 3: Cross multiply
    652,876.38x = 900,987.30 × 366,414.21
  4. Step 4: Simplify right side
    652,876.38x = 330,134,549,749.53
  5. Step 5: Solve for x
    x = 330,134,549,749.53/652,876.38
  6. Step 6: Final answer
    x = 505,661.65

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1.5x scale

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.