Home / 847,505.64-1,169,272.36-479,932.52

Finding the Fourth Proportional to 847,505.64, 1,169,272.36 and 479,932.52

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Solution

The fourth proportional to 847,505.64, 1,169,272.36 and 479,932.52 is: 662,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,505.64 : 1,169,272.36 = 479,932.52 : x
  2. Step 2: Convert to fraction form
    847,505.64/1,169,272.36 = 479,932.52/x
  3. Step 3: Cross multiply
    847,505.64x = 1,169,272.36 × 479,932.52
  4. Step 4: Simplify right side
    847,505.64x = 561,171,830,301.15
  5. Step 5: Solve for x
    x = 561,171,830,301.15/847,505.64
  6. Step 6: Final answer
    x = 662,145.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.