Home / 466,619.60-699,929.40-288,549.20

Finding the Fourth Proportional to 466,619.60, 699,929.40 and 288,549.20

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Solution

The fourth proportional to 466,619.60, 699,929.40 and 288,549.20 is: 432,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,619.60 : 699,929.40 = 288,549.20 : x
  2. Step 2: Convert to fraction form
    466,619.60/699,929.40 = 288,549.20/x
  3. Step 3: Cross multiply
    466,619.60x = 699,929.40 × 288,549.20
  4. Step 4: Simplify right side
    466,619.60x = 201,964,068,426.48
  5. Step 5: Solve for x
    x = 201,964,068,426.48/466,619.60
  6. Step 6: Final answer
    x = 432,823.80

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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.