Home / 570,919.08-787,868.34-316,286.76

Finding the Fourth Proportional to 570,919.08, 787,868.34 and 316,286.76

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Solution

The fourth proportional to 570,919.08, 787,868.34 and 316,286.76 is: 436,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,919.08 : 787,868.34 = 316,286.76 : x
  2. Step 2: Convert to fraction form
    570,919.08/787,868.34 = 316,286.76/x
  3. Step 3: Cross multiply
    570,919.08x = 787,868.34 × 316,286.76
  4. Step 4: Simplify right side
    570,919.08x = 249,192,324,565.18
  5. Step 5: Solve for x
    x = 249,192,324,565.18/570,919.08
  6. Step 6: Final answer
    x = 436,475.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.