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Finding the Fourth Proportional to 423,937.10, 635,905.65 and 366,856.40

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Solution

The fourth proportional to 423,937.10, 635,905.65 and 366,856.40 is: 550,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,937.10 : 635,905.65 = 366,856.40 : x
  2. Step 2: Convert to fraction form
    423,937.10/635,905.65 = 366,856.40/x
  3. Step 3: Cross multiply
    423,937.10x = 635,905.65 × 366,856.40
  4. Step 4: Simplify right side
    423,937.10x = 233,286,057,498.66
  5. Step 5: Solve for x
    x = 233,286,057,498.66/423,937.10
  6. Step 6: Final answer
    x = 550,284.60

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1.5x scale

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.