Home / 782,612.70-1,173,919.05-384,031.95

Finding the Fourth Proportional to 782,612.70, 1,173,919.05 and 384,031.95

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Solution

The fourth proportional to 782,612.70, 1,173,919.05 and 384,031.95 is: 576,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,612.70 : 1,173,919.05 = 384,031.95 : x
  2. Step 2: Convert to fraction form
    782,612.70/1,173,919.05 = 384,031.95/x
  3. Step 3: Cross multiply
    782,612.70x = 1,173,919.05 × 384,031.95
  4. Step 4: Simplify right side
    782,612.70x = 450,822,421,913.65
  5. Step 5: Solve for x
    x = 450,822,421,913.65/782,612.70
  6. Step 6: Final answer
    x = 576,047.93

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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.