Home / 851,996.70-1,175,812.50-489,537.90

Finding the Fourth Proportional to 851,996.70, 1,175,812.50 and 489,537.90

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Solution

The fourth proportional to 851,996.70, 1,175,812.50 and 489,537.90 is: 675,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,996.70 : 1,175,812.50 = 489,537.90 : x
  2. Step 2: Convert to fraction form
    851,996.70/1,175,812.50 = 489,537.90/x
  3. Step 3: Cross multiply
    851,996.70x = 1,175,812.50 × 489,537.90
  4. Step 4: Simplify right side
    851,996.70x = 575,604,782,043.75
  5. Step 5: Solve for x
    x = 575,604,782,043.75/851,996.70
  6. Step 6: Final answer
    x = 675,595.08

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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.