Home / 627,075.92-865,371.12-340,601.60

Finding the Fourth Proportional to 627,075.92, 865,371.12 and 340,601.60

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Solution

The fourth proportional to 627,075.92, 865,371.12 and 340,601.60 is: 470,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,075.92 : 865,371.12 = 340,601.60 : x
  2. Step 2: Convert to fraction form
    627,075.92/865,371.12 = 340,601.60/x
  3. Step 3: Cross multiply
    627,075.92x = 865,371.12 × 340,601.60
  4. Step 4: Simplify right side
    627,075.92x = 294,746,788,065.79
  5. Step 5: Solve for x
    x = 294,746,788,065.79/627,075.92
  6. Step 6: Final answer
    x = 470,033.66

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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.