Home / 611,572.02-843,997.40-339,641.11

Finding the Fourth Proportional to 611,572.02, 843,997.40 and 339,641.11

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Solution

The fourth proportional to 611,572.02, 843,997.40 and 339,641.11 is: 468,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,572.02 : 843,997.40 = 339,641.11 : x
  2. Step 2: Convert to fraction form
    611,572.02/843,997.40 = 339,641.11/x
  3. Step 3: Cross multiply
    611,572.02x = 843,997.40 × 339,641.11
  4. Step 4: Simplify right side
    611,572.02x = 286,656,213,773.11
  5. Step 5: Solve for x
    x = 286,656,213,773.11/611,572.02
  6. Step 6: Final answer
    x = 468,720.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.