Home / 747,458.30-1,121,005.20-214,923.80

Finding the Fourth Proportional to 747,458.30, 1,121,005.20 and 214,923.80

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Solution

The fourth proportional to 747,458.30, 1,121,005.20 and 214,923.80 is: 322,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,458.30 : 1,121,005.20 = 214,923.80 : x
  2. Step 2: Convert to fraction form
    747,458.30/1,121,005.20 = 214,923.80/x
  3. Step 3: Cross multiply
    747,458.30x = 1,121,005.20 × 214,923.80
  4. Step 4: Simplify right side
    747,458.30x = 240,930,697,403.76
  5. Step 5: Solve for x
    x = 240,930,697,403.76/747,458.30
  6. Step 6: Final answer
    x = 322,333.30

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1.5x scale

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.