Home / 806,661.60-1,208,534.40-469,426.20

Finding the Fourth Proportional to 806,661.60, 1,208,534.40 and 469,426.20

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Solution

The fourth proportional to 806,661.60, 1,208,534.40 and 469,426.20 is: 703,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,661.60 : 1,208,534.40 = 469,426.20 : x
  2. Step 2: Convert to fraction form
    806,661.60/1,208,534.40 = 469,426.20/x
  3. Step 3: Cross multiply
    806,661.60x = 1,208,534.40 × 469,426.20
  4. Step 4: Simplify right side
    806,661.60x = 567,317,710,961.28
  5. Step 5: Solve for x
    x = 567,317,710,961.28/806,661.60
  6. Step 6: Final answer
    x = 703,290.84

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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.