Home / 732,784.74-1,099,135.42-220,438.98

Finding the Fourth Proportional to 732,784.74, 1,099,135.42 and 220,438.98

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Solution

The fourth proportional to 732,784.74, 1,099,135.42 and 220,438.98 is: 330,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,784.74 : 1,099,135.42 = 220,438.98 : x
  2. Step 2: Convert to fraction form
    732,784.74/1,099,135.42 = 220,438.98/x
  3. Step 3: Cross multiply
    732,784.74x = 1,099,135.42 × 220,438.98
  4. Step 4: Simplify right side
    732,784.74x = 242,292,290,866.67
  5. Step 5: Solve for x
    x = 242,292,290,866.67/732,784.74
  6. Step 6: Final answer
    x = 330,645.93

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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.