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Finding the Fourth Proportional to 446,279.76, 615,158.28 and 437,432.40

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Solution

The fourth proportional to 446,279.76, 615,158.28 and 437,432.40 is: 602,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,279.76 : 615,158.28 = 437,432.40 : x
  2. Step 2: Convert to fraction form
    446,279.76/615,158.28 = 437,432.40/x
  3. Step 3: Cross multiply
    446,279.76x = 615,158.28 × 437,432.40
  4. Step 4: Simplify right side
    446,279.76x = 269,090,162,800.27
  5. Step 5: Solve for x
    x = 269,090,162,800.27/446,279.76
  6. Step 6: Final answer
    x = 602,962.95

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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.