Home / 672,080.30-1,008,120.45-604,429.10

Finding the Fourth Proportional to 672,080.30, 1,008,120.45 and 604,429.10

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Solution

The fourth proportional to 672,080.30, 1,008,120.45 and 604,429.10 is: 906,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,080.30 : 1,008,120.45 = 604,429.10 : x
  2. Step 2: Convert to fraction form
    672,080.30/1,008,120.45 = 604,429.10/x
  3. Step 3: Cross multiply
    672,080.30x = 1,008,120.45 × 604,429.10
  4. Step 4: Simplify right side
    672,080.30x = 609,337,336,285.10
  5. Step 5: Solve for x
    x = 609,337,336,285.10/672,080.30
  6. Step 6: Final answer
    x = 906,643.65

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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.