Home / 747,814.80-1,121,722.20-304,582.80

Finding the Fourth Proportional to 747,814.80, 1,121,722.20 and 304,582.80

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Solution

The fourth proportional to 747,814.80, 1,121,722.20 and 304,582.80 is: 456,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,814.80 : 1,121,722.20 = 304,582.80 : x
  2. Step 2: Convert to fraction form
    747,814.80/1,121,722.20 = 304,582.80/x
  3. Step 3: Cross multiply
    747,814.80x = 1,121,722.20 × 304,582.80
  4. Step 4: Simplify right side
    747,814.80x = 341,657,288,498.16
  5. Step 5: Solve for x
    x = 341,657,288,498.16/747,814.80
  6. Step 6: Final answer
    x = 456,874.20

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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.