Home / 907,040.85-1,251,684.97-499,104.52

Finding the Fourth Proportional to 907,040.85, 1,251,684.97 and 499,104.52

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Solution

The fourth proportional to 907,040.85, 1,251,684.97 and 499,104.52 is: 688,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,040.85 : 1,251,684.97 = 499,104.52 : x
  2. Step 2: Convert to fraction form
    907,040.85/1,251,684.97 = 499,104.52/x
  3. Step 3: Cross multiply
    907,040.85x = 1,251,684.97 × 499,104.52
  4. Step 4: Simplify right side
    907,040.85x = 624,721,621,766.09
  5. Step 5: Solve for x
    x = 624,721,621,766.09/907,040.85
  6. Step 6: Final answer
    x = 688,746.95

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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.