Home / 485,582.60-729,929.10-346,305.80

Finding the Fourth Proportional to 485,582.60, 729,929.10 and 346,305.80

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Solution

The fourth proportional to 485,582.60, 729,929.10 and 346,305.80 is: 520,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,582.60 : 729,929.10 = 346,305.80 : x
  2. Step 2: Convert to fraction form
    485,582.60/729,929.10 = 346,305.80/x
  3. Step 3: Cross multiply
    485,582.60x = 729,929.10 × 346,305.80
  4. Step 4: Simplify right side
    485,582.60x = 252,778,680,918.78
  5. Step 5: Solve for x
    x = 252,778,680,918.78/485,582.60
  6. Step 6: Final answer
    x = 520,567.83

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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.