Home / 905,280.68-1,248,767.78-565,158.44

Finding the Fourth Proportional to 905,280.68, 1,248,767.78 and 565,158.44

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Solution

The fourth proportional to 905,280.68, 1,248,767.78 and 565,158.44 is: 779,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,280.68 : 1,248,767.78 = 565,158.44 : x
  2. Step 2: Convert to fraction form
    905,280.68/1,248,767.78 = 565,158.44/x
  3. Step 3: Cross multiply
    905,280.68x = 1,248,767.78 × 565,158.44
  4. Step 4: Simplify right side
    905,280.68x = 705,751,641,397.43
  5. Step 5: Solve for x
    x = 705,751,641,397.43/905,280.68
  6. Step 6: Final answer
    x = 779,594.29

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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.