Home / 858,114.27-1,287,586.13-353,047.95

Finding the Fourth Proportional to 858,114.27, 1,287,586.13 and 353,047.95

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Solution

The fourth proportional to 858,114.27, 1,287,586.13 and 353,047.95 is: 529,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,114.27 : 1,287,586.13 = 353,047.95 : x
  2. Step 2: Convert to fraction form
    858,114.27/1,287,586.13 = 353,047.95/x
  3. Step 3: Cross multiply
    858,114.27x = 1,287,586.13 × 353,047.95
  4. Step 4: Simplify right side
    858,114.27x = 454,579,641,879.69
  5. Step 5: Solve for x
    x = 454,579,641,879.69/858,114.27
  6. Step 6: Final answer
    x = 529,742.55

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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.