Home / 871,531.40-1,307,372.42-240,445.22

Finding the Fourth Proportional to 871,531.40, 1,307,372.42 and 240,445.22

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Solution

The fourth proportional to 871,531.40, 1,307,372.42 and 240,445.22 is: 360,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,531.40 : 1,307,372.42 = 240,445.22 : x
  2. Step 2: Convert to fraction form
    871,531.40/1,307,372.42 = 240,445.22/x
  3. Step 3: Cross multiply
    871,531.40x = 1,307,372.42 × 240,445.22
  4. Step 4: Simplify right side
    871,531.40x = 314,351,443,213.08
  5. Step 5: Solve for x
    x = 314,351,443,213.08/871,531.40
  6. Step 6: Final answer
    x = 360,688.60

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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.