Home / 825,549.60-1,239,490.80-510,621.60

Finding the Fourth Proportional to 825,549.60, 1,239,490.80 and 510,621.60

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Solution

The fourth proportional to 825,549.60, 1,239,490.80 and 510,621.60 is: 766,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,549.60 : 1,239,490.80 = 510,621.60 : x
  2. Step 2: Convert to fraction form
    825,549.60/1,239,490.80 = 510,621.60/x
  3. Step 3: Cross multiply
    825,549.60x = 1,239,490.80 × 510,621.60
  4. Step 4: Simplify right side
    825,549.60x = 632,910,775,481.28
  5. Step 5: Solve for x
    x = 632,910,775,481.28/825,549.60
  6. Step 6: Final answer
    x = 766,653.85

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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.