Home / 782,529.30-1,079,833.41-442,977.30

Finding the Fourth Proportional to 782,529.30, 1,079,833.41 and 442,977.30

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Solution

The fourth proportional to 782,529.30, 1,079,833.41 and 442,977.30 is: 611,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,529.30 : 1,079,833.41 = 442,977.30 : x
  2. Step 2: Convert to fraction form
    782,529.30/1,079,833.41 = 442,977.30/x
  3. Step 3: Cross multiply
    782,529.30x = 1,079,833.41 × 442,977.30
  4. Step 4: Simplify right side
    782,529.30x = 478,341,688,411.59
  5. Step 5: Solve for x
    x = 478,341,688,411.59/782,529.30
  6. Step 6: Final answer
    x = 611,276.39

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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.