Home / 906,532.80-1,250,988.87-498,634.57

Finding the Fourth Proportional to 906,532.80, 1,250,988.87 and 498,634.57

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Solution

The fourth proportional to 906,532.80, 1,250,988.87 and 498,634.57 is: 688,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,532.80 : 1,250,988.87 = 498,634.57 : x
  2. Step 2: Convert to fraction form
    906,532.80/1,250,988.87 = 498,634.57/x
  3. Step 3: Cross multiply
    906,532.80x = 1,250,988.87 × 498,634.57
  4. Step 4: Simplify right side
    906,532.80x = 623,786,297,267.24
  5. Step 5: Solve for x
    x = 623,786,297,267.24/906,532.80
  6. Step 6: Final answer
    x = 688,101.19

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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.