Home / 901,538.74-1,350,161.38-521,658.89

Finding the Fourth Proportional to 901,538.74, 1,350,161.38 and 521,658.89

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Solution

The fourth proportional to 901,538.74, 1,350,161.38 and 521,658.89 is: 781,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,538.74 : 1,350,161.38 = 521,658.89 : x
  2. Step 2: Convert to fraction form
    901,538.74/1,350,161.38 = 521,658.89/x
  3. Step 3: Cross multiply
    901,538.74x = 1,350,161.38 × 521,658.89
  4. Step 4: Simplify right side
    901,538.74x = 704,323,686,639.04
  5. Step 5: Solve for x
    x = 704,323,686,639.04/901,538.74
  6. Step 6: Final answer
    x = 781,246.17

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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.