Home / 675,443.24-931,983.11-385,042.10

Finding the Fourth Proportional to 675,443.24, 931,983.11 and 385,042.10

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Solution

The fourth proportional to 675,443.24, 931,983.11 and 385,042.10 is: 531,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,443.24 : 931,983.11 = 385,042.10 : x
  2. Step 2: Convert to fraction form
    675,443.24/931,983.11 = 385,042.10/x
  3. Step 3: Cross multiply
    675,443.24x = 931,983.11 × 385,042.10
  4. Step 4: Simplify right side
    675,443.24x = 358,852,733,838.93
  5. Step 5: Solve for x
    x = 358,852,733,838.93/675,443.24
  6. Step 6: Final answer
    x = 531,284.81

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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.