Home / 651,623.02-899,239.74-396,974.02

Finding the Fourth Proportional to 651,623.02, 899,239.74 and 396,974.02

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Solution

The fourth proportional to 651,623.02, 899,239.74 and 396,974.02 is: 547,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,623.02 : 899,239.74 = 396,974.02 : x
  2. Step 2: Convert to fraction form
    651,623.02/899,239.74 = 396,974.02/x
  3. Step 3: Cross multiply
    651,623.02x = 899,239.74 × 396,974.02
  4. Step 4: Simplify right side
    651,623.02x = 356,974,814,531.56
  5. Step 5: Solve for x
    x = 356,974,814,531.56/651,623.02
  6. Step 6: Final answer
    x = 547,824.13

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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.