Home / 765,626.41-1,056,577.88-416,776.85

Finding the Fourth Proportional to 765,626.41, 1,056,577.88 and 416,776.85

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Solution

The fourth proportional to 765,626.41, 1,056,577.88 and 416,776.85 is: 575,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,626.41 : 1,056,577.88 = 416,776.85 : x
  2. Step 2: Convert to fraction form
    765,626.41/1,056,577.88 = 416,776.85/x
  3. Step 3: Cross multiply
    765,626.41x = 1,056,577.88 × 416,776.85
  4. Step 4: Simplify right side
    765,626.41x = 440,357,195,323.19
  5. Step 5: Solve for x
    x = 440,357,195,323.19/765,626.41
  6. Step 6: Final answer
    x = 575,159.36

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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.