Home / 544,923.20-817,870.80-320,002.40

Finding the Fourth Proportional to 544,923.20, 817,870.80 and 320,002.40

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Solution

The fourth proportional to 544,923.20, 817,870.80 and 320,002.40 is: 480,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,923.20 : 817,870.80 = 320,002.40 : x
  2. Step 2: Convert to fraction form
    544,923.20/817,870.80 = 320,002.40/x
  3. Step 3: Cross multiply
    544,923.20x = 817,870.80 × 320,002.40
  4. Step 4: Simplify right side
    544,923.20x = 261,720,618,889.92
  5. Step 5: Solve for x
    x = 261,720,618,889.92/544,923.20
  6. Step 6: Final answer
    x = 480,289.00

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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.