Home / 907,041.24-1,251,685.51-499,104.91

Finding the Fourth Proportional to 907,041.24, 1,251,685.51 and 499,104.91

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Solution

The fourth proportional to 907,041.24, 1,251,685.51 and 499,104.91 is: 688,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,041.24 : 1,251,685.51 = 499,104.91 : x
  2. Step 2: Convert to fraction form
    907,041.24/1,251,685.51 = 499,104.91/x
  3. Step 3: Cross multiply
    907,041.24x = 1,251,685.51 × 499,104.91
  4. Step 4: Simplify right side
    907,041.24x = 624,722,383,816.85
  5. Step 5: Solve for x
    x = 624,722,383,816.85/907,041.24
  6. Step 6: Final answer
    x = 688,747.50

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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.