Home / 436,839.64-602,858.12-245,865.40

Finding the Fourth Proportional to 436,839.64, 602,858.12 and 245,865.40

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Solution

The fourth proportional to 436,839.64, 602,858.12 and 245,865.40 is: 339,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,839.64 : 602,858.12 = 245,865.40 : x
  2. Step 2: Convert to fraction form
    436,839.64/602,858.12 = 245,865.40/x
  3. Step 3: Cross multiply
    436,839.64x = 602,858.12 × 245,865.40
  4. Step 4: Simplify right side
    436,839.64x = 148,221,952,817.05
  5. Step 5: Solve for x
    x = 148,221,952,817.05/436,839.64
  6. Step 6: Final answer
    x = 339,305.18

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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.