Home / 582,513.12-803,454.02-388,823.18

Finding the Fourth Proportional to 582,513.12, 803,454.02 and 388,823.18

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Solution

The fourth proportional to 582,513.12, 803,454.02 and 388,823.18 is: 536,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,513.12 : 803,454.02 = 388,823.18 : x
  2. Step 2: Convert to fraction form
    582,513.12/803,454.02 = 388,823.18/x
  3. Step 3: Cross multiply
    582,513.12x = 803,454.02 × 388,823.18
  4. Step 4: Simplify right side
    582,513.12x = 312,401,541,078.80
  5. Step 5: Solve for x
    x = 312,401,541,078.80/582,513.12
  6. Step 6: Final answer
    x = 536,299.58

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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.