Home / 784,677.90-1,177,016.85-737,438.70

Finding the Fourth Proportional to 784,677.90, 1,177,016.85 and 737,438.70

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Solution

The fourth proportional to 784,677.90, 1,177,016.85 and 737,438.70 is: 1,106,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,677.90 : 1,177,016.85 = 737,438.70 : x
  2. Step 2: Convert to fraction form
    784,677.90/1,177,016.85 = 737,438.70/x
  3. Step 3: Cross multiply
    784,677.90x = 1,177,016.85 × 737,438.70
  4. Step 4: Simplify right side
    784,677.90x = 867,977,775,742.10
  5. Step 5: Solve for x
    x = 867,977,775,742.10/784,677.90
  6. Step 6: Final answer
    x = 1,106,158.05

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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.