Home / 871,608.40-1,307,376.88-240,506.08

Finding the Fourth Proportional to 871,608.40, 1,307,376.88 and 240,506.08

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Solution

The fourth proportional to 871,608.40, 1,307,376.88 and 240,506.08 is: 360,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,608.40 : 1,307,376.88 = 240,506.08 : x
  2. Step 2: Convert to fraction form
    871,608.40/1,307,376.88 = 240,506.08/x
  3. Step 3: Cross multiply
    871,608.40x = 1,307,376.88 × 240,506.08
  4. Step 4: Simplify right side
    871,608.40x = 314,432,088,491.43
  5. Step 5: Solve for x
    x = 314,432,088,491.43/871,608.40
  6. Step 6: Final answer
    x = 360,749.26

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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.