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Finding the Fourth Proportional to 592,892.80, 818,191.20 and 320,959.36

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Solution

The fourth proportional to 592,892.80, 818,191.20 and 320,959.36 is: 442,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,892.80 : 818,191.20 = 320,959.36 : x
  2. Step 2: Convert to fraction form
    592,892.80/818,191.20 = 320,959.36/x
  3. Step 3: Cross multiply
    592,892.80x = 818,191.20 × 320,959.36
  4. Step 4: Simplify right side
    592,892.80x = 262,606,123,909.63
  5. Step 5: Solve for x
    x = 262,606,123,909.63/592,892.80
  6. Step 6: Final answer
    x = 442,923.45

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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.