Home / 436,420.54-602,284.17-245,445.22

Finding the Fourth Proportional to 436,420.54, 602,284.17 and 245,445.22

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Solution

The fourth proportional to 436,420.54, 602,284.17 and 245,445.22 is: 338,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,420.54 : 602,284.17 = 245,445.22 : x
  2. Step 2: Convert to fraction form
    436,420.54/602,284.17 = 245,445.22/x
  3. Step 3: Cross multiply
    436,420.54x = 602,284.17 × 245,445.22
  4. Step 4: Simplify right side
    436,420.54x = 147,827,770,608.17
  5. Step 5: Solve for x
    x = 147,827,770,608.17/436,420.54
  6. Step 6: Final answer
    x = 338,727.80

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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.