Home / 897,865.74-1,239,081.10-489,993.92

Finding the Fourth Proportional to 897,865.74, 1,239,081.10 and 489,993.92

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Solution

The fourth proportional to 897,865.74, 1,239,081.10 and 489,993.92 is: 676,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,865.74 : 1,239,081.10 = 489,993.92 : x
  2. Step 2: Convert to fraction form
    897,865.74/1,239,081.10 = 489,993.92/x
  3. Step 3: Cross multiply
    897,865.74x = 1,239,081.10 × 489,993.92
  4. Step 4: Simplify right side
    897,865.74x = 607,142,205,386.91
  5. Step 5: Solve for x
    x = 607,142,205,386.91/897,865.74
  6. Step 6: Final answer
    x = 676,206.01

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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.