Home / 774,544.10-1,068,954.15-468,788.75

Finding the Fourth Proportional to 774,544.10, 1,068,954.15 and 468,788.75

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Solution

The fourth proportional to 774,544.10, 1,068,954.15 and 468,788.75 is: 646,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,544.10 : 1,068,954.15 = 468,788.75 : x
  2. Step 2: Convert to fraction form
    774,544.10/1,068,954.15 = 468,788.75/x
  3. Step 3: Cross multiply
    774,544.10x = 1,068,954.15 × 468,788.75
  4. Step 4: Simplify right side
    774,544.10x = 501,113,672,097.10
  5. Step 5: Solve for x
    x = 501,113,672,097.10/774,544.10
  6. Step 6: Final answer
    x = 646,978.88

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1.5x scale

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.