Home / 788,140.80-1,182,502.80-255,679.20

Finding the Fourth Proportional to 788,140.80, 1,182,502.80 and 255,679.20

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Solution

The fourth proportional to 788,140.80, 1,182,502.80 and 255,679.20 is: 383,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,140.80 : 1,182,502.80 = 255,679.20 : x
  2. Step 2: Convert to fraction form
    788,140.80/1,182,502.80 = 255,679.20/x
  3. Step 3: Cross multiply
    788,140.80x = 1,182,502.80 × 255,679.20
  4. Step 4: Simplify right side
    788,140.80x = 302,341,369,901.76
  5. Step 5: Solve for x
    x = 302,341,369,901.76/788,140.80
  6. Step 6: Final answer
    x = 383,613.40

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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.