Home / 830,411.75-1,145,962.99-467,952.04

Finding the Fourth Proportional to 830,411.75, 1,145,962.99 and 467,952.04

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Solution

The fourth proportional to 830,411.75, 1,145,962.99 and 467,952.04 is: 645,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,411.75 : 1,145,962.99 = 467,952.04 : x
  2. Step 2: Convert to fraction form
    830,411.75/1,145,962.99 = 467,952.04/x
  3. Step 3: Cross multiply
    830,411.75x = 1,145,962.99 × 467,952.04
  4. Step 4: Simplify right side
    830,411.75x = 536,255,714,506.35
  5. Step 5: Solve for x
    x = 536,255,714,506.35/830,411.75
  6. Step 6: Final answer
    x = 645,770.87

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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.