Home / 692,176.80-1,037,487.60-355,087.20

Finding the Fourth Proportional to 692,176.80, 1,037,487.60 and 355,087.20

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Solution

The fourth proportional to 692,176.80, 1,037,487.60 and 355,087.20 is: 532,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,176.80 : 1,037,487.60 = 355,087.20 : x
  2. Step 2: Convert to fraction form
    692,176.80/1,037,487.60 = 355,087.20/x
  3. Step 3: Cross multiply
    692,176.80x = 1,037,487.60 × 355,087.20
  4. Step 4: Simplify right side
    692,176.80x = 368,398,566,918.72
  5. Step 5: Solve for x
    x = 368,398,566,918.72/692,176.80
  6. Step 6: Final answer
    x = 532,231.89

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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.