Home / 665,692.02-997,849.13-328,281.66

Finding the Fourth Proportional to 665,692.02, 997,849.13 and 328,281.66

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Solution

The fourth proportional to 665,692.02, 997,849.13 and 328,281.66 is: 492,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,692.02 : 997,849.13 = 328,281.66 : x
  2. Step 2: Convert to fraction form
    665,692.02/997,849.13 = 328,281.66/x
  3. Step 3: Cross multiply
    665,692.02x = 997,849.13 × 328,281.66
  4. Step 4: Simplify right side
    665,692.02x = 327,575,567,184.55
  5. Step 5: Solve for x
    x = 327,575,567,184.55/665,692.02
  6. Step 6: Final answer
    x = 492,082.76

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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.