Home / 777,475.25-1,072,549.01-454,985.70

Finding the Fourth Proportional to 777,475.25, 1,072,549.01 and 454,985.70

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Solution

The fourth proportional to 777,475.25, 1,072,549.01 and 454,985.70 is: 627,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,475.25 : 1,072,549.01 = 454,985.70 : x
  2. Step 2: Convert to fraction form
    777,475.25/1,072,549.01 = 454,985.70/x
  3. Step 3: Cross multiply
    777,475.25x = 1,072,549.01 × 454,985.70
  4. Step 4: Simplify right side
    777,475.25x = 487,994,462,099.16
  5. Step 5: Solve for x
    x = 487,994,462,099.16/777,475.25
  6. Step 6: Final answer
    x = 627,665.59

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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.