Home / 906,310.33-1,250,740.37-498,443.70

Finding the Fourth Proportional to 906,310.33, 1,250,740.37 and 498,443.70

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Solution

The fourth proportional to 906,310.33, 1,250,740.37 and 498,443.70 is: 687,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,310.33 : 1,250,740.37 = 498,443.70 : x
  2. Step 2: Convert to fraction form
    906,310.33/1,250,740.37 = 498,443.70/x
  3. Step 3: Cross multiply
    906,310.33x = 1,250,740.37 × 498,443.70
  4. Step 4: Simplify right side
    906,310.33x = 623,423,663,698.56
  5. Step 5: Solve for x
    x = 623,423,663,698.56/906,310.33
  6. Step 6: Final answer
    x = 687,869.98

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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.