Home / 437,944.80-657,176.40-288,616.80

Finding the Fourth Proportional to 437,944.80, 657,176.40 and 288,616.80

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Solution

The fourth proportional to 437,944.80, 657,176.40 and 288,616.80 is: 433,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,944.80 : 657,176.40 = 288,616.80 : x
  2. Step 2: Convert to fraction form
    437,944.80/657,176.40 = 288,616.80/x
  3. Step 3: Cross multiply
    437,944.80x = 657,176.40 × 288,616.80
  4. Step 4: Simplify right side
    437,944.80x = 189,672,149,603.52
  5. Step 5: Solve for x
    x = 189,672,149,603.52/437,944.80
  6. Step 6: Final answer
    x = 433,096.02

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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.