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Finding the Fourth Proportional to 528,086.45, 792,129.68 and 470,025.65

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Solution

The fourth proportional to 528,086.45, 792,129.68 and 470,025.65 is: 705,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,086.45 : 792,129.68 = 470,025.65 : x
  2. Step 2: Convert to fraction form
    528,086.45/792,129.68 = 470,025.65/x
  3. Step 3: Cross multiply
    528,086.45x = 792,129.68 × 470,025.65
  4. Step 4: Simplify right side
    528,086.45x = 372,321,267,726.29
  5. Step 5: Solve for x
    x = 372,321,267,726.29/528,086.45
  6. Step 6: Final answer
    x = 705,038.48

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Similar ratio
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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.