Home / 786,011.10-1,179,016.65-359,546.10

Finding the Fourth Proportional to 786,011.10, 1,179,016.65 and 359,546.10

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Solution

The fourth proportional to 786,011.10, 1,179,016.65 and 359,546.10 is: 539,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,011.10 : 1,179,016.65 = 359,546.10 : x
  2. Step 2: Convert to fraction form
    786,011.10/1,179,016.65 = 359,546.10/x
  3. Step 3: Cross multiply
    786,011.10x = 1,179,016.65 × 359,546.10
  4. Step 4: Simplify right side
    786,011.10x = 423,910,838,342.57
  5. Step 5: Solve for x
    x = 423,910,838,342.57/786,011.10
  6. Step 6: Final answer
    x = 539,319.15

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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.