Home / 450,623.79-621,818.28-269,299.62

Finding the Fourth Proportional to 450,623.79, 621,818.28 and 269,299.62

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Solution

The fourth proportional to 450,623.79, 621,818.28 and 269,299.62 is: 371,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,623.79 : 621,818.28 = 269,299.62 : x
  2. Step 2: Convert to fraction form
    450,623.79/621,818.28 = 269,299.62/x
  3. Step 3: Cross multiply
    450,623.79x = 621,818.28 × 269,299.62
  4. Step 4: Simplify right side
    450,623.79x = 167,455,426,513.05
  5. Step 5: Solve for x
    x = 167,455,426,513.05/450,623.79
  6. Step 6: Final answer
    x = 371,608.05

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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.