Home / 719,155.20-1,079,510.40-404,227.20

Finding the Fourth Proportional to 719,155.20, 1,079,510.40 and 404,227.20

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Solution

The fourth proportional to 719,155.20, 1,079,510.40 and 404,227.20 is: 606,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,155.20 : 1,079,510.40 = 404,227.20 : x
  2. Step 2: Convert to fraction form
    719,155.20/1,079,510.40 = 404,227.20/x
  3. Step 3: Cross multiply
    719,155.20x = 1,079,510.40 × 404,227.20
  4. Step 4: Simplify right side
    719,155.20x = 436,367,466,362.88
  5. Step 5: Solve for x
    x = 436,367,466,362.88/719,155.20
  6. Step 6: Final answer
    x = 606,777.88

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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.