Home / 750,115.56-1,124,870.13-276,695.40

Finding the Fourth Proportional to 750,115.56, 1,124,870.13 and 276,695.40

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Solution

The fourth proportional to 750,115.56, 1,124,870.13 and 276,695.40 is: 414,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,115.56 : 1,124,870.13 = 276,695.40 : x
  2. Step 2: Convert to fraction form
    750,115.56/1,124,870.13 = 276,695.40/x
  3. Step 3: Cross multiply
    750,115.56x = 1,124,870.13 × 276,695.40
  4. Step 4: Simplify right side
    750,115.56x = 311,246,390,568.40
  5. Step 5: Solve for x
    x = 311,246,390,568.40/750,115.56
  6. Step 6: Final answer
    x = 414,931.25

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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.