Home / 715,056.64-1,072,571.04-288,581.12

Finding the Fourth Proportional to 715,056.64, 1,072,571.04 and 288,581.12

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Solution

The fourth proportional to 715,056.64, 1,072,571.04 and 288,581.12 is: 432,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,056.64 : 1,072,571.04 = 288,581.12 : x
  2. Step 2: Convert to fraction form
    715,056.64/1,072,571.04 = 288,581.12/x
  3. Step 3: Cross multiply
    715,056.64x = 1,072,571.04 × 288,581.12
  4. Step 4: Simplify right side
    715,056.64x = 309,523,752,002.77
  5. Step 5: Solve for x
    x = 309,523,752,002.77/715,056.64
  6. Step 6: Final answer
    x = 432,866.06

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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.