Home / 906,675.40-1,251,172.53-498,751.35

Finding the Fourth Proportional to 906,675.40, 1,251,172.53 and 498,751.35

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Solution

The fourth proportional to 906,675.40, 1,251,172.53 and 498,751.35 is: 688,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,675.40 : 1,251,172.53 = 498,751.35 : x
  2. Step 2: Convert to fraction form
    906,675.40/1,251,172.53 = 498,751.35/x
  3. Step 3: Cross multiply
    906,675.40x = 1,251,172.53 × 498,751.35
  4. Step 4: Simplify right side
    906,675.40x = 624,023,988,420.42
  5. Step 5: Solve for x
    x = 624,023,988,420.42/906,675.40
  6. Step 6: Final answer
    x = 688,255.12

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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.