Home / 675,486.02-1,013,351.80-320,496.74

Finding the Fourth Proportional to 675,486.02, 1,013,351.80 and 320,496.74

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Solution

The fourth proportional to 675,486.02, 1,013,351.80 and 320,496.74 is: 480,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,486.02 : 1,013,351.80 = 320,496.74 : x
  2. Step 2: Convert to fraction form
    675,486.02/1,013,351.80 = 320,496.74/x
  3. Step 3: Cross multiply
    675,486.02x = 1,013,351.80 × 320,496.74
  4. Step 4: Simplify right side
    675,486.02x = 324,775,948,373.13
  5. Step 5: Solve for x
    x = 324,775,948,373.13/675,486.02
  6. Step 6: Final answer
    x = 480,803.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.