Home / 897,141.84-1,238,085.45-489,265.89

Finding the Fourth Proportional to 897,141.84, 1,238,085.45 and 489,265.89

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Solution

The fourth proportional to 897,141.84, 1,238,085.45 and 489,265.89 is: 675,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,141.84 : 1,238,085.45 = 489,265.89 : x
  2. Step 2: Convert to fraction form
    897,141.84/1,238,085.45 = 489,265.89/x
  3. Step 3: Cross multiply
    897,141.84x = 1,238,085.45 × 489,265.89
  4. Step 4: Simplify right side
    897,141.84x = 605,752,979,590.30
  5. Step 5: Solve for x
    x = 605,752,979,590.30/897,141.84
  6. Step 6: Final answer
    x = 675,203.13

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1.5x scale

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.