Home / 767,669.64-1,149,962.30-382,257.40

Finding the Fourth Proportional to 767,669.64, 1,149,962.30 and 382,257.40

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Solution

The fourth proportional to 767,669.64, 1,149,962.30 and 382,257.40 is: 572,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,669.64 : 1,149,962.30 = 382,257.40 : x
  2. Step 2: Convert to fraction form
    767,669.64/1,149,962.30 = 382,257.40/x
  3. Step 3: Cross multiply
    767,669.64x = 1,149,962.30 × 382,257.40
  4. Step 4: Simplify right side
    767,669.64x = 439,581,598,896.02
  5. Step 5: Solve for x
    x = 439,581,598,896.02/767,669.64
  6. Step 6: Final answer
    x = 572,618.19

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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.