Home / 803,653.60-1,205,042.40-242,615.20

Finding the Fourth Proportional to 803,653.60, 1,205,042.40 and 242,615.20

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Solution

The fourth proportional to 803,653.60, 1,205,042.40 and 242,615.20 is: 363,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,653.60 : 1,205,042.40 = 242,615.20 : x
  2. Step 2: Convert to fraction form
    803,653.60/1,205,042.40 = 242,615.20/x
  3. Step 3: Cross multiply
    803,653.60x = 1,205,042.40 × 242,615.20
  4. Step 4: Simplify right side
    803,653.60x = 292,361,602,884.48
  5. Step 5: Solve for x
    x = 292,361,602,884.48/803,653.60
  6. Step 6: Final answer
    x = 363,790.57

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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.