Home / 827,877.18-1,240,776.94-354,005.30

Finding the Fourth Proportional to 827,877.18, 1,240,776.94 and 354,005.30

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Solution

The fourth proportional to 827,877.18, 1,240,776.94 and 354,005.30 is: 530,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,877.18 : 1,240,776.94 = 354,005.30 : x
  2. Step 2: Convert to fraction form
    827,877.18/1,240,776.94 = 354,005.30/x
  3. Step 3: Cross multiply
    827,877.18x = 1,240,776.94 × 354,005.30
  4. Step 4: Simplify right side
    827,877.18x = 439,241,612,877.78
  5. Step 5: Solve for x
    x = 439,241,612,877.78/827,877.18
  6. Step 6: Final answer
    x = 530,563.74

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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.