Home / 851,990.75-1,175,750.54-464,814.87

Finding the Fourth Proportional to 851,990.75, 1,175,750.54 and 464,814.87

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Solution

The fourth proportional to 851,990.75, 1,175,750.54 and 464,814.87 is: 641,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,990.75 : 1,175,750.54 = 464,814.87 : x
  2. Step 2: Convert to fraction form
    851,990.75/1,175,750.54 = 464,814.87/x
  3. Step 3: Cross multiply
    851,990.75x = 1,175,750.54 × 464,814.87
  4. Step 4: Simplify right side
    851,990.75x = 546,506,335,564.57
  5. Step 5: Solve for x
    x = 546,506,335,564.57/851,990.75
  6. Step 6: Final answer
    x = 641,446.32

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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.