Home / 997,781.60-1,495,030.80-576,322.40

Finding the Fourth Proportional to 997,781.60, 1,495,030.80 and 576,322.40

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Solution

The fourth proportional to 997,781.60, 1,495,030.80 and 576,322.40 is: 863,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,781.60 : 1,495,030.80 = 576,322.40 : x
  2. Step 2: Convert to fraction form
    997,781.60/1,495,030.80 = 576,322.40/x
  3. Step 3: Cross multiply
    997,781.60x = 1,495,030.80 × 576,322.40
  4. Step 4: Simplify right side
    997,781.60x = 861,619,738,729.92
  5. Step 5: Solve for x
    x = 861,619,738,729.92/997,781.60
  6. Step 6: Final answer
    x = 863,535.41

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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.