Home / 779,916.30-1,169,874.45-442,826.70

Finding the Fourth Proportional to 779,916.30, 1,169,874.45 and 442,826.70

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Solution

The fourth proportional to 779,916.30, 1,169,874.45 and 442,826.70 is: 664,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,916.30 : 1,169,874.45 = 442,826.70 : x
  2. Step 2: Convert to fraction form
    779,916.30/1,169,874.45 = 442,826.70/x
  3. Step 3: Cross multiply
    779,916.30x = 1,169,874.45 × 442,826.70
  4. Step 4: Simplify right side
    779,916.30x = 518,051,642,107.82
  5. Step 5: Solve for x
    x = 518,051,642,107.82/779,916.30
  6. Step 6: Final answer
    x = 664,240.05

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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.