Home / 778,383.60-1,167,575.40-498,447.60

Finding the Fourth Proportional to 778,383.60, 1,167,575.40 and 498,447.60

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Solution

The fourth proportional to 778,383.60, 1,167,575.40 and 498,447.60 is: 747,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,383.60 : 1,167,575.40 = 498,447.60 : x
  2. Step 2: Convert to fraction form
    778,383.60/1,167,575.40 = 498,447.60/x
  3. Step 3: Cross multiply
    778,383.60x = 1,167,575.40 × 498,447.60
  4. Step 4: Simplify right side
    778,383.60x = 581,975,155,949.04
  5. Step 5: Solve for x
    x = 581,975,155,949.04/778,383.60
  6. Step 6: Final answer
    x = 747,671.40

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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.