Home / 627,074.28-865,364.99-340,599.15

Finding the Fourth Proportional to 627,074.28, 865,364.99 and 340,599.15

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Solution

The fourth proportional to 627,074.28, 865,364.99 and 340,599.15 is: 470,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,074.28 : 865,364.99 = 340,599.15 : x
  2. Step 2: Convert to fraction form
    627,074.28/865,364.99 = 340,599.15/x
  3. Step 3: Cross multiply
    627,074.28x = 865,364.99 × 340,599.15
  4. Step 4: Simplify right side
    627,074.28x = 294,742,578,330.76
  5. Step 5: Solve for x
    x = 294,742,578,330.76/627,074.28
  6. Step 6: Final answer
    x = 470,028.17

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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.