Home / 716,522.87-1,073,969.49-374,438.86

Finding the Fourth Proportional to 716,522.87, 1,073,969.49 and 374,438.86

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Solution

The fourth proportional to 716,522.87, 1,073,969.49 and 374,438.86 is: 561,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,522.87 : 1,073,969.49 = 374,438.86 : x
  2. Step 2: Convert to fraction form
    716,522.87/1,073,969.49 = 374,438.86/x
  3. Step 3: Cross multiply
    716,522.87x = 1,073,969.49 × 374,438.86
  4. Step 4: Simplify right side
    716,522.87x = 402,135,911,510.38
  5. Step 5: Solve for x
    x = 402,135,911,510.38/716,522.87
  6. Step 6: Final answer
    x = 561,232.49

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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.