Home / 753,559.30-1,130,229.60-221,024.80

Finding the Fourth Proportional to 753,559.30, 1,130,229.60 and 221,024.80

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Solution

The fourth proportional to 753,559.30, 1,130,229.60 and 221,024.80 is: 331,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,559.30 : 1,130,229.60 = 221,024.80 : x
  2. Step 2: Convert to fraction form
    753,559.30/1,130,229.60 = 221,024.80/x
  3. Step 3: Cross multiply
    753,559.30x = 1,130,229.60 × 221,024.80
  4. Step 4: Simplify right side
    753,559.30x = 249,808,771,294.08
  5. Step 5: Solve for x
    x = 249,808,771,294.08/753,559.30
  6. Step 6: Final answer
    x = 331,505.13

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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.