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Finding the Fourth Proportional to 522,027.30, 783,624.15 and 487,764.30

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Solution

The fourth proportional to 522,027.30, 783,624.15 and 487,764.30 is: 732,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,027.30 : 783,624.15 = 487,764.30 : x
  2. Step 2: Convert to fraction form
    522,027.30/783,624.15 = 487,764.30/x
  3. Step 3: Cross multiply
    522,027.30x = 783,624.15 × 487,764.30
  4. Step 4: Simplify right side
    522,027.30x = 382,223,884,987.85
  5. Step 5: Solve for x
    x = 382,223,884,987.85/522,027.30
  6. Step 6: Final answer
    x = 732,191.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.