Home / 897,098.92-1,238,026.40-489,223.08

Finding the Fourth Proportional to 897,098.92, 1,238,026.40 and 489,223.08

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Solution

The fourth proportional to 897,098.92, 1,238,026.40 and 489,223.08 is: 675,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,098.92 : 1,238,026.40 = 489,223.08 : x
  2. Step 2: Convert to fraction form
    897,098.92/1,238,026.40 = 489,223.08/x
  3. Step 3: Cross multiply
    897,098.92x = 1,238,026.40 × 489,223.08
  4. Step 4: Simplify right side
    897,098.92x = 605,671,088,529.31
  5. Step 5: Solve for x
    x = 605,671,088,529.31/897,098.92
  6. Step 6: Final answer
    x = 675,144.15

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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.