Home / 784,635.30-1,176,952.95-252,210.15

Finding the Fourth Proportional to 784,635.30, 1,176,952.95 and 252,210.15

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Solution

The fourth proportional to 784,635.30, 1,176,952.95 and 252,210.15 is: 378,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,635.30 : 1,176,952.95 = 252,210.15 : x
  2. Step 2: Convert to fraction form
    784,635.30/1,176,952.95 = 252,210.15/x
  3. Step 3: Cross multiply
    784,635.30x = 1,176,952.95 × 252,210.15
  4. Step 4: Simplify right side
    784,635.30x = 296,839,480,062.44
  5. Step 5: Solve for x
    x = 296,839,480,062.44/784,635.30
  6. Step 6: Final answer
    x = 378,315.23

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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.