Home / 642,177.20-963,265.80-602,811.20

Finding the Fourth Proportional to 642,177.20, 963,265.80 and 602,811.20

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Solution

The fourth proportional to 642,177.20, 963,265.80 and 602,811.20 is: 904,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,177.20 : 963,265.80 = 602,811.20 : x
  2. Step 2: Convert to fraction form
    642,177.20/963,265.80 = 602,811.20/x
  3. Step 3: Cross multiply
    642,177.20x = 963,265.80 × 602,811.20
  4. Step 4: Simplify right side
    642,177.20x = 580,667,412,816.96
  5. Step 5: Solve for x
    x = 580,667,412,816.96/642,177.20
  6. Step 6: Final answer
    x = 904,216.80

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1.5x scale

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.