Home / 784,206.34-1,176,215.98-215,645.20

Finding the Fourth Proportional to 784,206.34, 1,176,215.98 and 215,645.20

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Solution

The fourth proportional to 784,206.34, 1,176,215.98 and 215,645.20 is: 323,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,206.34 : 1,176,215.98 = 215,645.20 : x
  2. Step 2: Convert to fraction form
    784,206.34/1,176,215.98 = 215,645.20/x
  3. Step 3: Cross multiply
    784,206.34x = 1,176,215.98 × 215,645.20
  4. Step 4: Simplify right side
    784,206.34x = 253,645,330,250.30
  5. Step 5: Solve for x
    x = 253,645,330,250.30/784,206.34
  6. Step 6: Final answer
    x = 323,442.08

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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.