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Finding the Fourth Proportional to 672,000.40, 952,001.08 and 672,000.40

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Solution

The fourth proportional to 672,000.40, 952,001.08 and 672,000.40 is: 952,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,000.40 : 952,001.08 = 672,000.40 : x
  2. Step 2: Convert to fraction form
    672,000.40/952,001.08 = 672,000.40/x
  3. Step 3: Cross multiply
    672,000.40x = 952,001.08 × 672,000.40
  4. Step 4: Simplify right side
    672,000.40x = 639,745,106,560.43
  5. Step 5: Solve for x
    x = 639,745,106,560.43/672,000.40
  6. Step 6: Final answer
    x = 952,001.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.