Home / 767,644.60-1,151,456.10-346,919.80

Finding the Fourth Proportional to 767,644.60, 1,151,456.10 and 346,919.80

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Solution

The fourth proportional to 767,644.60, 1,151,456.10 and 346,919.80 is: 520,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,644.60 : 1,151,456.10 = 346,919.80 : x
  2. Step 2: Convert to fraction form
    767,644.60/1,151,456.10 = 346,919.80/x
  3. Step 3: Cross multiply
    767,644.60x = 1,151,456.10 × 346,919.80
  4. Step 4: Simplify right side
    767,644.60x = 399,462,919,920.78
  5. Step 5: Solve for x
    x = 399,462,919,920.78/767,644.60
  6. Step 6: Final answer
    x = 520,374.82

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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.