Home / 675,331.02-1,013,709.53-660,082.84

Finding the Fourth Proportional to 675,331.02, 1,013,709.53 and 660,082.84

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Solution

The fourth proportional to 675,331.02, 1,013,709.53 and 660,082.84 is: 990,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,331.02 : 1,013,709.53 = 660,082.84 : x
  2. Step 2: Convert to fraction form
    675,331.02/1,013,709.53 = 660,082.84/x
  3. Step 3: Cross multiply
    675,331.02x = 1,013,709.53 × 660,082.84
  4. Step 4: Simplify right side
    675,331.02x = 669,132,265,497.47
  5. Step 5: Solve for x
    x = 669,132,265,497.47/675,331.02
  6. Step 6: Final answer
    x = 990,821.16

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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.