Home / 871,529.54-1,307,369.61-240,443.34

Finding the Fourth Proportional to 871,529.54, 1,307,369.61 and 240,443.34

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Solution

The fourth proportional to 871,529.54, 1,307,369.61 and 240,443.34 is: 360,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,529.54 : 1,307,369.61 = 240,443.34 : x
  2. Step 2: Convert to fraction form
    871,529.54/1,307,369.61 = 240,443.34/x
  3. Step 3: Cross multiply
    871,529.54x = 1,307,369.61 × 240,443.34
  4. Step 4: Simplify right side
    871,529.54x = 314,348,315,642.90
  5. Step 5: Solve for x
    x = 314,348,315,642.90/871,529.54
  6. Step 6: Final answer
    x = 360,685.79

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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.