Home / 1,288.69-1,931.50-594.66

Finding the Fourth Proportional to 1,288.69, 1,931.50 and 594.66

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Solution

The fourth proportional to 1,288.69, 1,931.50 and 594.66 is: 891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.69 : 1,931.50 = 594.66 : x
  2. Step 2: Convert to fraction form
    1,288.69/1,931.50 = 594.66/x
  3. Step 3: Cross multiply
    1,288.69x = 1,931.50 × 594.66
  4. Step 4: Simplify right side
    1,288.69x = 1,148,585.79
  5. Step 5: Solve for x
    x = 1,148,585.79/1,288.69
  6. Step 6: Final answer
    x = 891.28

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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.