Home / 879,058.80-1,318,588.20-288,082.80

Finding the Fourth Proportional to 879,058.80, 1,318,588.20 and 288,082.80

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Solution

The fourth proportional to 879,058.80, 1,318,588.20 and 288,082.80 is: 432,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,058.80 : 1,318,588.20 = 288,082.80 : x
  2. Step 2: Convert to fraction form
    879,058.80/1,318,588.20 = 288,082.80/x
  3. Step 3: Cross multiply
    879,058.80x = 1,318,588.20 × 288,082.80
  4. Step 4: Simplify right side
    879,058.80x = 379,862,580,702.96
  5. Step 5: Solve for x
    x = 379,862,580,702.96/879,058.80
  6. Step 6: Final answer
    x = 432,124.20

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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.