Home / 765,625.91-1,056,577.19-416,776.35

Finding the Fourth Proportional to 765,625.91, 1,056,577.19 and 416,776.35

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Solution

The fourth proportional to 765,625.91, 1,056,577.19 and 416,776.35 is: 575,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,625.91 : 1,056,577.19 = 416,776.35 : x
  2. Step 2: Convert to fraction form
    765,625.91/1,056,577.19 = 416,776.35/x
  3. Step 3: Cross multiply
    765,625.91x = 1,056,577.19 × 416,776.35
  4. Step 4: Simplify right side
    765,625.91x = 440,356,379,458.57
  5. Step 5: Solve for x
    x = 440,356,379,458.57/765,625.91
  6. Step 6: Final answer
    x = 575,158.67

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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.