Home / 436,433.78-602,229.66-245,443.07

Finding the Fourth Proportional to 436,433.78, 602,229.66 and 245,443.07

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Solution

The fourth proportional to 436,433.78, 602,229.66 and 245,443.07 is: 338,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,433.78 : 602,229.66 = 245,443.07 : x
  2. Step 2: Convert to fraction form
    436,433.78/602,229.66 = 245,443.07/x
  3. Step 3: Cross multiply
    436,433.78x = 602,229.66 × 245,443.07
  4. Step 4: Simplify right side
    436,433.78x = 147,813,096,595.46
  5. Step 5: Solve for x
    x = 147,813,096,595.46/436,433.78
  6. Step 6: Final answer
    x = 338,683.90

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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.