Home / 867,205.82-1,300,931.31-268,219.46

Finding the Fourth Proportional to 867,205.82, 1,300,931.31 and 268,219.46

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Solution

The fourth proportional to 867,205.82, 1,300,931.31 and 268,219.46 is: 402,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,205.82 : 1,300,931.31 = 268,219.46 : x
  2. Step 2: Convert to fraction form
    867,205.82/1,300,931.31 = 268,219.46/x
  3. Step 3: Cross multiply
    867,205.82x = 1,300,931.31 × 268,219.46
  4. Step 4: Simplify right side
    867,205.82x = 348,935,093,465.29
  5. Step 5: Solve for x
    x = 348,935,093,465.29/867,205.82
  6. Step 6: Final answer
    x = 402,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.