Home / 767,505.60-1,151,247.60-346,780.80

Finding the Fourth Proportional to 767,505.60, 1,151,247.60 and 346,780.80

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Solution

The fourth proportional to 767,505.60, 1,151,247.60 and 346,780.80 is: 520,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,505.60 : 1,151,247.60 = 346,780.80 : x
  2. Step 2: Convert to fraction form
    767,505.60/1,151,247.60 = 346,780.80/x
  3. Step 3: Cross multiply
    767,505.60x = 1,151,247.60 × 346,780.80
  4. Step 4: Simplify right side
    767,505.60x = 399,230,563,726.08
  5. Step 5: Solve for x
    x = 399,230,563,726.08/767,505.60
  6. Step 6: Final answer
    x = 520,166.32

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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.