Home / 627,258.37-865,614.27-340,775.95

Finding the Fourth Proportional to 627,258.37, 865,614.27 and 340,775.95

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Solution

The fourth proportional to 627,258.37, 865,614.27 and 340,775.95 is: 470,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,258.37 : 865,614.27 = 340,775.95 : x
  2. Step 2: Convert to fraction form
    627,258.37/865,614.27 = 340,775.95/x
  3. Step 3: Cross multiply
    627,258.37x = 865,614.27 × 340,775.95
  4. Step 4: Simplify right side
    627,258.37x = 294,980,525,192.81
  5. Step 5: Solve for x
    x = 294,980,525,192.81/627,258.37
  6. Step 6: Final answer
    x = 470,269.57

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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.