Home / 671,572.80-1,007,359.20-603,921.60

Finding the Fourth Proportional to 671,572.80, 1,007,359.20 and 603,921.60

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Solution

The fourth proportional to 671,572.80, 1,007,359.20 and 603,921.60 is: 905,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,572.80 : 1,007,359.20 = 603,921.60 : x
  2. Step 2: Convert to fraction form
    671,572.80/1,007,359.20 = 603,921.60/x
  3. Step 3: Cross multiply
    671,572.80x = 1,007,359.20 × 603,921.60
  4. Step 4: Simplify right side
    671,572.80x = 608,365,979,838.72
  5. Step 5: Solve for x
    x = 608,365,979,838.72/671,572.80
  6. Step 6: Final answer
    x = 905,882.40

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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.