Home / 896,870.70-1,237,680.90-488,972.52

Finding the Fourth Proportional to 896,870.70, 1,237,680.90 and 488,972.52

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Solution

The fourth proportional to 896,870.70, 1,237,680.90 and 488,972.52 is: 674,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,870.70 : 1,237,680.90 = 488,972.52 : x
  2. Step 2: Convert to fraction form
    896,870.70/1,237,680.90 = 488,972.52/x
  3. Step 3: Cross multiply
    896,870.70x = 1,237,680.90 × 488,972.52
  4. Step 4: Simplify right side
    896,870.70x = 605,191,948,628.87
  5. Step 5: Solve for x
    x = 605,191,948,628.87/896,870.70
  6. Step 6: Final answer
    x = 674,781.71

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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.