Home / 710,448.18-1,066,092.57-261,484.38

Finding the Fourth Proportional to 710,448.18, 1,066,092.57 and 261,484.38

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Solution

The fourth proportional to 710,448.18, 1,066,092.57 and 261,484.38 is: 392,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,448.18 : 1,066,092.57 = 261,484.38 : x
  2. Step 2: Convert to fraction form
    710,448.18/1,066,092.57 = 261,484.38/x
  3. Step 3: Cross multiply
    710,448.18x = 1,066,092.57 × 261,484.38
  4. Step 4: Simplify right side
    710,448.18x = 278,766,554,689.06
  5. Step 5: Solve for x
    x = 278,766,554,689.06/710,448.18
  6. Step 6: Final answer
    x = 392,381.26

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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.