Home / 787,740.49-1,087,545.15-742,339.66

Finding the Fourth Proportional to 787,740.49, 1,087,545.15 and 742,339.66

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Solution

The fourth proportional to 787,740.49, 1,087,545.15 and 742,339.66 is: 1,024,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,740.49 : 1,087,545.15 = 742,339.66 : x
  2. Step 2: Convert to fraction form
    787,740.49/1,087,545.15 = 742,339.66/x
  3. Step 3: Cross multiply
    787,740.49x = 1,087,545.15 × 742,339.66
  4. Step 4: Simplify right side
    787,740.49x = 807,327,893,948.40
  5. Step 5: Solve for x
    x = 807,327,893,948.40/787,740.49
  6. Step 6: Final answer
    x = 1,024,865.29

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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.