Home / 765,696.24-1,056,670.92-421,572.24

Finding the Fourth Proportional to 765,696.24, 1,056,670.92 and 421,572.24

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Solution

The fourth proportional to 765,696.24, 1,056,670.92 and 421,572.24 is: 581,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,696.24 : 1,056,670.92 = 421,572.24 : x
  2. Step 2: Convert to fraction form
    765,696.24/1,056,670.92 = 421,572.24/x
  3. Step 3: Cross multiply
    765,696.24x = 1,056,670.92 × 421,572.24
  4. Step 4: Simplify right side
    765,696.24x = 445,463,126,687.26
  5. Step 5: Solve for x
    x = 445,463,126,687.26/765,696.24
  6. Step 6: Final answer
    x = 581,775.26

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Double scale
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1.5x scale

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.