Home / 544,931.20-817,882.80-320,010.40

Finding the Fourth Proportional to 544,931.20, 817,882.80 and 320,010.40

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Solution

The fourth proportional to 544,931.20, 817,882.80 and 320,010.40 is: 480,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,931.20 : 817,882.80 = 320,010.40 : x
  2. Step 2: Convert to fraction form
    544,931.20/817,882.80 = 320,010.40/x
  3. Step 3: Cross multiply
    544,931.20x = 817,882.80 × 320,010.40
  4. Step 4: Simplify right side
    544,931.20x = 261,731,001,981.12
  5. Step 5: Solve for x
    x = 261,731,001,981.12/544,931.20
  6. Step 6: Final answer
    x = 480,301.00

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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.