Home / 770,230.80-1,154,117.40-644,893.20

Finding the Fourth Proportional to 770,230.80, 1,154,117.40 and 644,893.20

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Solution

The fourth proportional to 770,230.80, 1,154,117.40 and 644,893.20 is: 966,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,230.80 : 1,154,117.40 = 644,893.20 : x
  2. Step 2: Convert to fraction form
    770,230.80/1,154,117.40 = 644,893.20/x
  3. Step 3: Cross multiply
    770,230.80x = 1,154,117.40 × 644,893.20
  4. Step 4: Simplify right side
    770,230.80x = 744,282,463,261.68
  5. Step 5: Solve for x
    x = 744,282,463,261.68/770,230.80
  6. Step 6: Final answer
    x = 966,310.96

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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.