Home / 442,934.60-662,652.30-384,420.20

Finding the Fourth Proportional to 442,934.60, 662,652.30 and 384,420.20

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Solution

The fourth proportional to 442,934.60, 662,652.30 and 384,420.20 is: 575,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,934.60 : 662,652.30 = 384,420.20 : x
  2. Step 2: Convert to fraction form
    442,934.60/662,652.30 = 384,420.20/x
  3. Step 3: Cross multiply
    442,934.60x = 662,652.30 × 384,420.20
  4. Step 4: Simplify right side
    442,934.60x = 254,736,929,696.46
  5. Step 5: Solve for x
    x = 254,736,929,696.46/442,934.60
  6. Step 6: Final answer
    x = 575,111.83

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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.