Home / 779,212.20-1,168,235.10-424,626.60

Finding the Fourth Proportional to 779,212.20, 1,168,235.10 and 424,626.60

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Solution

The fourth proportional to 779,212.20, 1,168,235.10 and 424,626.60 is: 636,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,212.20 : 1,168,235.10 = 424,626.60 : x
  2. Step 2: Convert to fraction form
    779,212.20/1,168,235.10 = 424,626.60/x
  3. Step 3: Cross multiply
    779,212.20x = 1,168,235.10 × 424,626.60
  4. Step 4: Simplify right side
    779,212.20x = 496,063,698,513.66
  5. Step 5: Solve for x
    x = 496,063,698,513.66/779,212.20
  6. Step 6: Final answer
    x = 636,622.09

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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.