Home / 779,312.18-1,167,934.85-400,217.60

Finding the Fourth Proportional to 779,312.18, 1,167,934.85 and 400,217.60

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Solution

The fourth proportional to 779,312.18, 1,167,934.85 and 400,217.60 is: 599,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,312.18 : 1,167,934.85 = 400,217.60 : x
  2. Step 2: Convert to fraction form
    779,312.18/1,167,934.85 = 400,217.60/x
  3. Step 3: Cross multiply
    779,312.18x = 1,167,934.85 × 400,217.60
  4. Step 4: Simplify right side
    779,312.18x = 467,428,080,622.27
  5. Step 5: Solve for x
    x = 467,428,080,622.27/779,312.18
  6. Step 6: Final answer
    x = 599,795.68

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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.