Home / 788,863.60-1,182,420.60-434,132.20

Finding the Fourth Proportional to 788,863.60, 1,182,420.60 and 434,132.20

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Solution

The fourth proportional to 788,863.60, 1,182,420.60 and 434,132.20 is: 650,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,863.60 : 1,182,420.60 = 434,132.20 : x
  2. Step 2: Convert to fraction form
    788,863.60/1,182,420.60 = 434,132.20/x
  3. Step 3: Cross multiply
    788,863.60x = 1,182,420.60 × 434,132.20
  4. Step 4: Simplify right side
    788,863.60x = 513,326,856,403.32
  5. Step 5: Solve for x
    x = 513,326,856,403.32/788,863.60
  6. Step 6: Final answer
    x = 650,716.87

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Double scale
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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.