Home / 709,730.70-976,942.38-618,926.46

Finding the Fourth Proportional to 709,730.70, 976,942.38 and 618,926.46

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Solution

The fourth proportional to 709,730.70, 976,942.38 and 618,926.46 is: 851,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,730.70 : 976,942.38 = 618,926.46 : x
  2. Step 2: Convert to fraction form
    709,730.70/976,942.38 = 618,926.46/x
  3. Step 3: Cross multiply
    709,730.70x = 976,942.38 × 618,926.46
  4. Step 4: Simplify right side
    709,730.70x = 604,655,488,877.38
  5. Step 5: Solve for x
    x = 604,655,488,877.38/709,730.70
  6. Step 6: Final answer
    x = 851,950.59

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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.