Home / 818,351.10-1,227,526.65-369,578.70

Finding the Fourth Proportional to 818,351.10, 1,227,526.65 and 369,578.70

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Solution

The fourth proportional to 818,351.10, 1,227,526.65 and 369,578.70 is: 554,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,351.10 : 1,227,526.65 = 369,578.70 : x
  2. Step 2: Convert to fraction form
    818,351.10/1,227,526.65 = 369,578.70/x
  3. Step 3: Cross multiply
    818,351.10x = 1,227,526.65 × 369,578.70
  4. Step 4: Simplify right side
    818,351.10x = 453,667,703,522.36
  5. Step 5: Solve for x
    x = 453,667,703,522.36/818,351.10
  6. Step 6: Final answer
    x = 554,368.05

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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.