Home / 849,337.80-1,274,006.70-784,383.90

Finding the Fourth Proportional to 849,337.80, 1,274,006.70 and 784,383.90

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Solution

The fourth proportional to 849,337.80, 1,274,006.70 and 784,383.90 is: 1,176,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,337.80 : 1,274,006.70 = 784,383.90 : x
  2. Step 2: Convert to fraction form
    849,337.80/1,274,006.70 = 784,383.90/x
  3. Step 3: Cross multiply
    849,337.80x = 1,274,006.70 × 784,383.90
  4. Step 4: Simplify right side
    849,337.80x = 999,310,343,972.13
  5. Step 5: Solve for x
    x = 999,310,343,972.13/849,337.80
  6. Step 6: Final answer
    x = 1,176,575.85

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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.