Home / 882,231.90-1,217,429.55-489,744.69

Finding the Fourth Proportional to 882,231.90, 1,217,429.55 and 489,744.69

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Solution

The fourth proportional to 882,231.90, 1,217,429.55 and 489,744.69 is: 675,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,231.90 : 1,217,429.55 = 489,744.69 : x
  2. Step 2: Convert to fraction form
    882,231.90/1,217,429.55 = 489,744.69/x
  3. Step 3: Cross multiply
    882,231.90x = 1,217,429.55 × 489,744.69
  4. Step 4: Simplify right side
    882,231.90x = 596,229,657,561.59
  5. Step 5: Solve for x
    x = 596,229,657,561.59/882,231.90
  6. Step 6: Final answer
    x = 675,819.65

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Double scale
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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.