Home / 899,872.02-1,241,856.54-492,001.02

Finding the Fourth Proportional to 899,872.02, 1,241,856.54 and 492,001.02

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Solution

The fourth proportional to 899,872.02, 1,241,856.54 and 492,001.02 is: 678,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,872.02 : 1,241,856.54 = 492,001.02 : x
  2. Step 2: Convert to fraction form
    899,872.02/1,241,856.54 = 492,001.02/x
  3. Step 3: Cross multiply
    899,872.02x = 1,241,856.54 × 492,001.02
  4. Step 4: Simplify right side
    899,872.02x = 610,994,684,373.67
  5. Step 5: Solve for x
    x = 610,994,684,373.67/899,872.02
  6. Step 6: Final answer
    x = 678,979.53

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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.