Home / 480,967.02-663,615.03-310,996.62

Finding the Fourth Proportional to 480,967.02, 663,615.03 and 310,996.62

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Solution

The fourth proportional to 480,967.02, 663,615.03 and 310,996.62 is: 429,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,967.02 : 663,615.03 = 310,996.62 : x
  2. Step 2: Convert to fraction form
    480,967.02/663,615.03 = 310,996.62/x
  3. Step 3: Cross multiply
    480,967.02x = 663,615.03 × 310,996.62
  4. Step 4: Simplify right side
    480,967.02x = 206,382,031,311.20
  5. Step 5: Solve for x
    x = 206,382,031,311.20/480,967.02
  6. Step 6: Final answer
    x = 429,098.09

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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.