Home / 979,854.42-1,469,209.50-380,114.76

Finding the Fourth Proportional to 979,854.42, 1,469,209.50 and 380,114.76

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Solution

The fourth proportional to 979,854.42, 1,469,209.50 and 380,114.76 is: 569,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,854.42 : 1,469,209.50 = 380,114.76 : x
  2. Step 2: Convert to fraction form
    979,854.42/1,469,209.50 = 380,114.76/x
  3. Step 3: Cross multiply
    979,854.42x = 1,469,209.50 × 380,114.76
  4. Step 4: Simplify right side
    979,854.42x = 558,468,216,482.22
  5. Step 5: Solve for x
    x = 558,468,216,482.22/979,854.42
  6. Step 6: Final answer
    x = 569,950.19

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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.