Home / 896,862.38-1,344,897.79-257,020.91

Finding the Fourth Proportional to 896,862.38, 1,344,897.79 and 257,020.91

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Solution

The fourth proportional to 896,862.38, 1,344,897.79 and 257,020.91 is: 385,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,862.38 : 1,344,897.79 = 257,020.91 : x
  2. Step 2: Convert to fraction form
    896,862.38/1,344,897.79 = 257,020.91/x
  3. Step 3: Cross multiply
    896,862.38x = 1,344,897.79 × 257,020.91
  4. Step 4: Simplify right side
    896,862.38x = 345,666,853,842.79
  5. Step 5: Solve for x
    x = 345,666,853,842.79/896,862.38
  6. Step 6: Final answer
    x = 385,417.94

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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.