Home / 521,546.40-719,730-295,184.16

Finding the Fourth Proportional to 521,546.40, 719,730 and 295,184.16

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Solution

The fourth proportional to 521,546.40, 719,730 and 295,184.16 is: 407,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,546.40 : 719,730 = 295,184.16 : x
  2. Step 2: Convert to fraction form
    521,546.40/719,730 = 295,184.16/x
  3. Step 3: Cross multiply
    521,546.40x = 719,730 × 295,184.16
  4. Step 4: Simplify right side
    521,546.40x = 212,452,895,476.80
  5. Step 5: Solve for x
    x = 212,452,895,476.80/521,546.40
  6. Step 6: Final answer
    x = 407,351.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.