Home / 651,619.02-899,234.22-396,970.02

Finding the Fourth Proportional to 651,619.02, 899,234.22 and 396,970.02

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Solution

The fourth proportional to 651,619.02, 899,234.22 and 396,970.02 is: 547,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,619.02 : 899,234.22 = 396,970.02 : x
  2. Step 2: Convert to fraction form
    651,619.02/899,234.22 = 396,970.02/x
  3. Step 3: Cross multiply
    651,619.02x = 899,234.22 × 396,970.02
  4. Step 4: Simplify right side
    651,619.02x = 356,969,026,298.08
  5. Step 5: Solve for x
    x = 356,969,026,298.08/651,619.02
  6. Step 6: Final answer
    x = 547,818.61

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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.