Home / 721,916.48-1,083,939.23-402,692.04

Finding the Fourth Proportional to 721,916.48, 1,083,939.23 and 402,692.04

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Solution

The fourth proportional to 721,916.48, 1,083,939.23 and 402,692.04 is: 604,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,916.48 : 1,083,939.23 = 402,692.04 : x
  2. Step 2: Convert to fraction form
    721,916.48/1,083,939.23 = 402,692.04/x
  3. Step 3: Cross multiply
    721,916.48x = 1,083,939.23 × 402,692.04
  4. Step 4: Simplify right side
    721,916.48x = 436,493,700,771.46
  5. Step 5: Solve for x
    x = 436,493,700,771.46/721,916.48
  6. Step 6: Final answer
    x = 604,631.85

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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.