Home / 776,181.62-1,070,738.70-453,681.02

Finding the Fourth Proportional to 776,181.62, 1,070,738.70 and 453,681.02

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Solution

The fourth proportional to 776,181.62, 1,070,738.70 and 453,681.02 is: 625,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,181.62 : 1,070,738.70 = 453,681.02 : x
  2. Step 2: Convert to fraction form
    776,181.62/1,070,738.70 = 453,681.02/x
  3. Step 3: Cross multiply
    776,181.62x = 1,070,738.70 × 453,681.02
  4. Step 4: Simplify right side
    776,181.62x = 485,773,825,569.47
  5. Step 5: Solve for x
    x = 485,773,825,569.47/776,181.62
  6. Step 6: Final answer
    x = 625,850.72

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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.