Home / 906,687.03-1,251,188.65-498,763.01

Finding the Fourth Proportional to 906,687.03, 1,251,188.65 and 498,763.01

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Solution

The fourth proportional to 906,687.03, 1,251,188.65 and 498,763.01 is: 688,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,687.03 : 1,251,188.65 = 498,763.01 : x
  2. Step 2: Convert to fraction form
    906,687.03/1,251,188.65 = 498,763.01/x
  3. Step 3: Cross multiply
    906,687.03x = 1,251,188.65 × 498,763.01
  4. Step 4: Simplify right side
    906,687.03x = 624,046,620,903.26
  5. Step 5: Solve for x
    x = 624,046,620,903.26/906,687.03
  6. Step 6: Final answer
    x = 688,271.25

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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.