Home / 871,210.28-1,306,881.03-240,118.63

Finding the Fourth Proportional to 871,210.28, 1,306,881.03 and 240,118.63

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Solution

The fourth proportional to 871,210.28, 1,306,881.03 and 240,118.63 is: 360,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,210.28 : 1,306,881.03 = 240,118.63 : x
  2. Step 2: Convert to fraction form
    871,210.28/1,306,881.03 = 240,118.63/x
  3. Step 3: Cross multiply
    871,210.28x = 1,306,881.03 × 240,118.63
  4. Step 4: Simplify right side
    871,210.28x = 313,806,482,496.59
  5. Step 5: Solve for x
    x = 313,806,482,496.59/871,210.28
  6. Step 6: Final answer
    x = 360,196.03

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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.