Home / 707,473.10-1,061,209.65-353,179.10

Finding the Fourth Proportional to 707,473.10, 1,061,209.65 and 353,179.10

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Solution

The fourth proportional to 707,473.10, 1,061,209.65 and 353,179.10 is: 529,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,473.10 : 1,061,209.65 = 353,179.10 : x
  2. Step 2: Convert to fraction form
    707,473.10/1,061,209.65 = 353,179.10/x
  3. Step 3: Cross multiply
    707,473.10x = 1,061,209.65 × 353,179.10
  4. Step 4: Simplify right side
    707,473.10x = 374,797,069,098.32
  5. Step 5: Solve for x
    x = 374,797,069,098.32/707,473.10
  6. Step 6: Final answer
    x = 529,768.65

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Double scale
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Similar ratio
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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.