Home / 672,021.30-1,008,031.95-618,366.90

Finding the Fourth Proportional to 672,021.30, 1,008,031.95 and 618,366.90

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Solution

The fourth proportional to 672,021.30, 1,008,031.95 and 618,366.90 is: 927,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.30 : 1,008,031.95 = 618,366.90 : x
  2. Step 2: Convert to fraction form
    672,021.30/1,008,031.95 = 618,366.90/x
  3. Step 3: Cross multiply
    672,021.30x = 1,008,031.95 × 618,366.90
  4. Step 4: Simplify right side
    672,021.30x = 623,333,592,022.46
  5. Step 5: Solve for x
    x = 623,333,592,022.46/672,021.30
  6. Step 6: Final answer
    x = 927,550.35

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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.