Home / 979,155.90-1,468,882.08-347,919.66

Finding the Fourth Proportional to 979,155.90, 1,468,882.08 and 347,919.66

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Solution

The fourth proportional to 979,155.90, 1,468,882.08 and 347,919.66 is: 521,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,155.90 : 1,468,882.08 = 347,919.66 : x
  2. Step 2: Convert to fraction form
    979,155.90/1,468,882.08 = 347,919.66/x
  3. Step 3: Cross multiply
    979,155.90x = 1,468,882.08 × 347,919.66
  4. Step 4: Simplify right side
    979,155.90x = 511,052,953,853.69
  5. Step 5: Solve for x
    x = 511,052,953,853.69/979,155.90
  6. Step 6: Final answer
    x = 521,932.16

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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.