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Finding the Fourth Proportional to 578,549.62, 864,306.18 and 374,483.38

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Solution

The fourth proportional to 578,549.62, 864,306.18 and 374,483.38 is: 559,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,549.62 : 864,306.18 = 374,483.38 : x
  2. Step 2: Convert to fraction form
    578,549.62/864,306.18 = 374,483.38/x
  3. Step 3: Cross multiply
    578,549.62x = 864,306.18 × 374,483.38
  4. Step 4: Simplify right side
    578,549.62x = 323,668,299,641.29
  5. Step 5: Solve for x
    x = 323,668,299,641.29/578,549.62
  6. Step 6: Final answer
    x = 559,447.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.