Home / 972,721.83-1,459,972.66-493,280.53

Finding the Fourth Proportional to 972,721.83, 1,459,972.66 and 493,280.53

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Solution

The fourth proportional to 972,721.83, 1,459,972.66 and 493,280.53 is: 740,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,721.83 : 1,459,972.66 = 493,280.53 : x
  2. Step 2: Convert to fraction form
    972,721.83/1,459,972.66 = 493,280.53/x
  3. Step 3: Cross multiply
    972,721.83x = 1,459,972.66 × 493,280.53
  4. Step 4: Simplify right side
    972,721.83x = 720,176,086,277.11
  5. Step 5: Solve for x
    x = 720,176,086,277.11/972,721.83
  6. Step 6: Final answer
    x = 740,372.09

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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.