Home / 971,172.84-1,456,759.90-306,376.68

Finding the Fourth Proportional to 971,172.84, 1,456,759.90 and 306,376.68

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Solution

The fourth proportional to 971,172.84, 1,456,759.90 and 306,376.68 is: 459,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,172.84 : 1,456,759.90 = 306,376.68 : x
  2. Step 2: Convert to fraction form
    971,172.84/1,456,759.90 = 306,376.68/x
  3. Step 3: Cross multiply
    971,172.84x = 1,456,759.90 × 306,376.68
  4. Step 4: Simplify right side
    971,172.84x = 446,317,261,719.13
  5. Step 5: Solve for x
    x = 446,317,261,719.13/971,172.84
  6. Step 6: Final answer
    x = 459,565.22

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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.