Home / 770,304.96-1,063,312.32-689,587.44

Finding the Fourth Proportional to 770,304.96, 1,063,312.32 and 689,587.44

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Solution

The fourth proportional to 770,304.96, 1,063,312.32 and 689,587.44 is: 951,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,304.96 : 1,063,312.32 = 689,587.44 : x
  2. Step 2: Convert to fraction form
    770,304.96/1,063,312.32 = 689,587.44/x
  3. Step 3: Cross multiply
    770,304.96x = 1,063,312.32 × 689,587.44
  4. Step 4: Simplify right side
    770,304.96x = 733,246,820,669.26
  5. Step 5: Solve for x
    x = 733,246,820,669.26/770,304.96
  6. Step 6: Final answer
    x = 951,891.60

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1.5x scale

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.