Home / 745,073.61-1,117,799.04-212,596.52

Finding the Fourth Proportional to 745,073.61, 1,117,799.04 and 212,596.52

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Solution

The fourth proportional to 745,073.61, 1,117,799.04 and 212,596.52 is: 318,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,073.61 : 1,117,799.04 = 212,596.52 : x
  2. Step 2: Convert to fraction form
    745,073.61/1,117,799.04 = 212,596.52/x
  3. Step 3: Cross multiply
    745,073.61x = 1,117,799.04 × 212,596.52
  4. Step 4: Simplify right side
    745,073.61x = 237,640,180,374.35
  5. Step 5: Solve for x
    x = 237,640,180,374.35/745,073.61
  6. Step 6: Final answer
    x = 318,948.59

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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.