Home / 784,209.34-1,176,220.48-215,648.20

Finding the Fourth Proportional to 784,209.34, 1,176,220.48 and 215,648.20

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Solution

The fourth proportional to 784,209.34, 1,176,220.48 and 215,648.20 is: 323,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,209.34 : 1,176,220.48 = 215,648.20 : x
  2. Step 2: Convert to fraction form
    784,209.34/1,176,220.48 = 215,648.20/x
  3. Step 3: Cross multiply
    784,209.34x = 1,176,220.48 × 215,648.20
  4. Step 4: Simplify right side
    784,209.34x = 253,649,829,315.14
  5. Step 5: Solve for x
    x = 253,649,829,315.14/784,209.34
  6. Step 6: Final answer
    x = 323,446.58

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Double scale
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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.