Home / 871,522.39-1,307,358.91-240,436.20

Finding the Fourth Proportional to 871,522.39, 1,307,358.91 and 240,436.20

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Solution

The fourth proportional to 871,522.39, 1,307,358.91 and 240,436.20 is: 360,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,522.39 : 1,307,358.91 = 240,436.20 : x
  2. Step 2: Convert to fraction form
    871,522.39/1,307,358.91 = 240,436.20/x
  3. Step 3: Cross multiply
    871,522.39x = 1,307,358.91 × 240,436.20
  4. Step 4: Simplify right side
    871,522.39x = 314,336,405,529.56
  5. Step 5: Solve for x
    x = 314,336,405,529.56/871,522.39
  6. Step 6: Final answer
    x = 360,675.08

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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.