Home / 672,038.90-1,008,058.35-649,229.30

Finding the Fourth Proportional to 672,038.90, 1,008,058.35 and 649,229.30

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Solution

The fourth proportional to 672,038.90, 1,008,058.35 and 649,229.30 is: 973,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,038.90 : 1,008,058.35 = 649,229.30 : x
  2. Step 2: Convert to fraction form
    672,038.90/1,008,058.35 = 649,229.30/x
  3. Step 3: Cross multiply
    672,038.90x = 1,008,058.35 × 649,229.30
  4. Step 4: Simplify right side
    672,038.90x = 654,461,016,929.66
  5. Step 5: Solve for x
    x = 654,461,016,929.66/672,038.90
  6. Step 6: Final answer
    x = 973,843.95

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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.