Home / 615,280.41-849,087.14-339,638.43

Finding the Fourth Proportional to 615,280.41, 849,087.14 and 339,638.43

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Solution

The fourth proportional to 615,280.41, 849,087.14 and 339,638.43 is: 468,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,280.41 : 849,087.14 = 339,638.43 : x
  2. Step 2: Convert to fraction form
    615,280.41/849,087.14 = 339,638.43/x
  3. Step 3: Cross multiply
    615,280.41x = 849,087.14 × 339,638.43
  4. Step 4: Simplify right side
    615,280.41x = 288,382,621,464.60
  5. Step 5: Solve for x
    x = 288,382,621,464.60/615,280.41
  6. Step 6: Final answer
    x = 468,701.13

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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.