Home / 851,230.76-1,174,706.33-469,271.21

Finding the Fourth Proportional to 851,230.76, 1,174,706.33 and 469,271.21

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Solution

The fourth proportional to 851,230.76, 1,174,706.33 and 469,271.21 is: 647,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,230.76 : 1,174,706.33 = 469,271.21 : x
  2. Step 2: Convert to fraction form
    851,230.76/1,174,706.33 = 469,271.21/x
  3. Step 3: Cross multiply
    851,230.76x = 1,174,706.33 × 469,271.21
  4. Step 4: Simplify right side
    851,230.76x = 551,255,852,653.87
  5. Step 5: Solve for x
    x = 551,255,852,653.87/851,230.76
  6. Step 6: Final answer
    x = 647,598.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.