Home / 788,031.65-1,182,213.53-255,511.15

Finding the Fourth Proportional to 788,031.65, 1,182,213.53 and 255,511.15

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Solution

The fourth proportional to 788,031.65, 1,182,213.53 and 255,511.15 is: 383,320.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,031.65 : 1,182,213.53 = 255,511.15 : x
  2. Step 2: Convert to fraction form
    788,031.65/1,182,213.53 = 255,511.15/x
  3. Step 3: Cross multiply
    788,031.65x = 1,182,213.53 × 255,511.15
  4. Step 4: Simplify right side
    788,031.65x = 302,068,738,595.86
  5. Step 5: Solve for x
    x = 302,068,738,595.86/788,031.65
  6. Step 6: Final answer
    x = 383,320.57

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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.