Home / 738,538.60-1,108,245.30-538,355.20

Finding the Fourth Proportional to 738,538.60, 1,108,245.30 and 538,355.20

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Solution

The fourth proportional to 738,538.60, 1,108,245.30 and 538,355.20 is: 807,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,538.60 : 1,108,245.30 = 538,355.20 : x
  2. Step 2: Convert to fraction form
    738,538.60/1,108,245.30 = 538,355.20/x
  3. Step 3: Cross multiply
    738,538.60x = 1,108,245.30 × 538,355.20
  4. Step 4: Simplify right side
    738,538.60x = 596,629,620,130.56
  5. Step 5: Solve for x
    x = 596,629,620,130.56/738,538.60
  6. Step 6: Final answer
    x = 807,851.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.