Home / 340,619.46-510,056.82-284,319.60

Finding the Fourth Proportional to 340,619.46, 510,056.82 and 284,319.60

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Solution

The fourth proportional to 340,619.46, 510,056.82 and 284,319.60 is: 425,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,619.46 : 510,056.82 = 284,319.60 : x
  2. Step 2: Convert to fraction form
    340,619.46/510,056.82 = 284,319.60/x
  3. Step 3: Cross multiply
    340,619.46x = 510,056.82 × 284,319.60
  4. Step 4: Simplify right side
    340,619.46x = 145,019,151,039.67
  5. Step 5: Solve for x
    x = 145,019,151,039.67/340,619.46
  6. Step 6: Final answer
    x = 425,751.22

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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.