Home / 438,028.75-604,479.40-247,041.69

Finding the Fourth Proportional to 438,028.75, 604,479.40 and 247,041.69

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Solution

The fourth proportional to 438,028.75, 604,479.40 and 247,041.69 is: 340,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,028.75 : 604,479.40 = 247,041.69 : x
  2. Step 2: Convert to fraction form
    438,028.75/604,479.40 = 247,041.69/x
  3. Step 3: Cross multiply
    438,028.75x = 604,479.40 × 247,041.69
  4. Step 4: Simplify right side
    438,028.75x = 149,331,612,546.19
  5. Step 5: Solve for x
    x = 149,331,612,546.19/438,028.75
  6. Step 6: Final answer
    x = 340,917.38

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1.5x scale

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.