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Finding the Fourth Proportional to 575,481, 794,154.66 and 320,847.72

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Solution

The fourth proportional to 575,481, 794,154.66 and 320,847.72 is: 442,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,481 : 794,154.66 = 320,847.72 : x
  2. Step 2: Convert to fraction form
    575,481/794,154.66 = 320,847.72/x
  3. Step 3: Cross multiply
    575,481x = 794,154.66 × 320,847.72
  4. Step 4: Simplify right side
    575,481x = 254,802,711,988.38
  5. Step 5: Solve for x
    x = 254,802,711,988.38/575,481
  6. Step 6: Final answer
    x = 442,764.77

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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.