Home / 419,347.06-578,622.07-247,318.86

Finding the Fourth Proportional to 419,347.06, 578,622.07 and 247,318.86

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Solution

The fourth proportional to 419,347.06, 578,622.07 and 247,318.86 is: 341,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,347.06 : 578,622.07 = 247,318.86 : x
  2. Step 2: Convert to fraction form
    419,347.06/578,622.07 = 247,318.86/x
  3. Step 3: Cross multiply
    419,347.06x = 578,622.07 × 247,318.86
  4. Step 4: Simplify right side
    419,347.06x = 143,104,150,643.06
  5. Step 5: Solve for x
    x = 143,104,150,643.06/419,347.06
  6. Step 6: Final answer
    x = 341,254.69

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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.