Home / 779,295.18-1,167,909.41-400,200.60

Finding the Fourth Proportional to 779,295.18, 1,167,909.41 and 400,200.60

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Solution

The fourth proportional to 779,295.18, 1,167,909.41 and 400,200.60 is: 599,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,295.18 : 1,167,909.41 = 400,200.60 : x
  2. Step 2: Convert to fraction form
    779,295.18/1,167,909.41 = 400,200.60/x
  3. Step 3: Cross multiply
    779,295.18x = 1,167,909.41 × 400,200.60
  4. Step 4: Simplify right side
    779,295.18x = 467,398,047,628.15
  5. Step 5: Solve for x
    x = 467,398,047,628.15/779,295.18
  6. Step 6: Final answer
    x = 599,770.23

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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.