Home / 454,812.20-682,779.90-286,332.20

Finding the Fourth Proportional to 454,812.20, 682,779.90 and 286,332.20

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Solution

The fourth proportional to 454,812.20, 682,779.90 and 286,332.20 is: 429,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,812.20 : 682,779.90 = 286,332.20 : x
  2. Step 2: Convert to fraction form
    454,812.20/682,779.90 = 286,332.20/x
  3. Step 3: Cross multiply
    454,812.20x = 682,779.90 × 286,332.20
  4. Step 4: Simplify right side
    454,812.20x = 195,501,870,882.78
  5. Step 5: Solve for x
    x = 195,501,870,882.78/454,812.20
  6. Step 6: Final answer
    x = 429,851.86

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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.