Home / 651,628.02-899,246.64-396,979.02

Finding the Fourth Proportional to 651,628.02, 899,246.64 and 396,979.02

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Solution

The fourth proportional to 651,628.02, 899,246.64 and 396,979.02 is: 547,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,628.02 : 899,246.64 = 396,979.02 : x
  2. Step 2: Convert to fraction form
    651,628.02/899,246.64 = 396,979.02/x
  3. Step 3: Cross multiply
    651,628.02x = 899,246.64 × 396,979.02
  4. Step 4: Simplify right side
    651,628.02x = 356,982,049,885.49
  5. Step 5: Solve for x
    x = 356,982,049,885.49/651,628.02
  6. Step 6: Final answer
    x = 547,831.03

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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.