Home / 788,337.60-1,182,672.70-255,817.24

Finding the Fourth Proportional to 788,337.60, 1,182,672.70 and 255,817.24

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Solution

The fourth proportional to 788,337.60, 1,182,672.70 and 255,817.24 is: 383,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,337.60 : 1,182,672.70 = 255,817.24 : x
  2. Step 2: Convert to fraction form
    788,337.60/1,182,672.70 = 255,817.24/x
  3. Step 3: Cross multiply
    788,337.60x = 1,182,672.70 × 255,817.24
  4. Step 4: Simplify right side
    788,337.60x = 302,548,062,341.12
  5. Step 5: Solve for x
    x = 302,548,062,341.12/788,337.60
  6. Step 6: Final answer
    x = 383,779.82

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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.