Home / 651,631.02-899,250.78-396,982.02

Finding the Fourth Proportional to 651,631.02, 899,250.78 and 396,982.02

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Solution

The fourth proportional to 651,631.02, 899,250.78 and 396,982.02 is: 547,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,631.02 : 899,250.78 = 396,982.02 : x
  2. Step 2: Convert to fraction form
    651,631.02/899,250.78 = 396,982.02/x
  3. Step 3: Cross multiply
    651,631.02x = 899,250.78 × 396,982.02
  4. Step 4: Simplify right side
    651,631.02x = 356,986,391,130.98
  5. Step 5: Solve for x
    x = 356,986,391,130.98/651,631.02
  6. Step 6: Final answer
    x = 547,835.17

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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.