Home / 896,935.38-1,237,780.49-489,033.92

Finding the Fourth Proportional to 896,935.38, 1,237,780.49 and 489,033.92

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Solution

The fourth proportional to 896,935.38, 1,237,780.49 and 489,033.92 is: 674,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,935.38 : 1,237,780.49 = 489,033.92 : x
  2. Step 2: Convert to fraction form
    896,935.38/1,237,780.49 = 489,033.92/x
  3. Step 3: Cross multiply
    896,935.38x = 1,237,780.49 × 489,033.92
  4. Step 4: Simplify right side
    896,935.38x = 605,316,636,490.15
  5. Step 5: Solve for x
    x = 605,316,636,490.15/896,935.38
  6. Step 6: Final answer
    x = 674,872.07

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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.