Home / 879,939.60-1,319,909.40-215,091.60

Finding the Fourth Proportional to 879,939.60, 1,319,909.40 and 215,091.60

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Solution

The fourth proportional to 879,939.60, 1,319,909.40 and 215,091.60 is: 322,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,939.60 : 1,319,909.40 = 215,091.60 : x
  2. Step 2: Convert to fraction form
    879,939.60/1,319,909.40 = 215,091.60/x
  3. Step 3: Cross multiply
    879,939.60x = 1,319,909.40 × 215,091.60
  4. Step 4: Simplify right side
    879,939.60x = 283,901,424,701.04
  5. Step 5: Solve for x
    x = 283,901,424,701.04/879,939.60
  6. Step 6: Final answer
    x = 322,637.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.