Home / 443,449.07-611,960.29-252,462.45

Finding the Fourth Proportional to 443,449.07, 611,960.29 and 252,462.45

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Solution

The fourth proportional to 443,449.07, 611,960.29 and 252,462.45 is: 348,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,449.07 : 611,960.29 = 252,462.45 : x
  2. Step 2: Convert to fraction form
    443,449.07/611,960.29 = 252,462.45/x
  3. Step 3: Cross multiply
    443,449.07x = 611,960.29 × 252,462.45
  4. Step 4: Simplify right side
    443,449.07x = 154,496,995,779.81
  5. Step 5: Solve for x
    x = 154,496,995,779.81/443,449.07
  6. Step 6: Final answer
    x = 348,398.51

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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.