Home / 748,219.94-1,032,711.71-489,946.88

Finding the Fourth Proportional to 748,219.94, 1,032,711.71 and 489,946.88

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Solution

The fourth proportional to 748,219.94, 1,032,711.71 and 489,946.88 is: 676,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,219.94 : 1,032,711.71 = 489,946.88 : x
  2. Step 2: Convert to fraction form
    748,219.94/1,032,711.71 = 489,946.88/x
  3. Step 3: Cross multiply
    748,219.94x = 1,032,711.71 × 489,946.88
  4. Step 4: Simplify right side
    748,219.94x = 505,973,885,351.50
  5. Step 5: Solve for x
    x = 505,973,885,351.50/748,219.94
  6. Step 6: Final answer
    x = 676,236.83

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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.