Home / 949,087.81-1,423,642.52-318,002.77

Finding the Fourth Proportional to 949,087.81, 1,423,642.52 and 318,002.77

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Solution

The fourth proportional to 949,087.81, 1,423,642.52 and 318,002.77 is: 477,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,087.81 : 1,423,642.52 = 318,002.77 : x
  2. Step 2: Convert to fraction form
    949,087.81/1,423,642.52 = 318,002.77/x
  3. Step 3: Cross multiply
    949,087.81x = 1,423,642.52 × 318,002.77
  4. Step 4: Simplify right side
    949,087.81x = 452,722,264,849.78
  5. Step 5: Solve for x
    x = 452,722,264,849.78/949,087.81
  6. Step 6: Final answer
    x = 477,007.78

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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.