Home / 847,160.72-1,270,367.94-398,009.24

Finding the Fourth Proportional to 847,160.72, 1,270,367.94 and 398,009.24

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Solution

The fourth proportional to 847,160.72, 1,270,367.94 and 398,009.24 is: 596,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,160.72 : 1,270,367.94 = 398,009.24 : x
  2. Step 2: Convert to fraction form
    847,160.72/1,270,367.94 = 398,009.24/x
  3. Step 3: Cross multiply
    847,160.72x = 1,270,367.94 × 398,009.24
  4. Step 4: Simplify right side
    847,160.72x = 505,618,178,319.77
  5. Step 5: Solve for x
    x = 505,618,178,319.77/847,160.72
  6. Step 6: Final answer
    x = 596,838.55

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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.