Home / 613,040.26-845,868.77-358,342.18

Finding the Fourth Proportional to 613,040.26, 845,868.77 and 358,342.18

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Solution

The fourth proportional to 613,040.26, 845,868.77 and 358,342.18 is: 494,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,040.26 : 845,868.77 = 358,342.18 : x
  2. Step 2: Convert to fraction form
    613,040.26/845,868.77 = 358,342.18/x
  3. Step 3: Cross multiply
    613,040.26x = 845,868.77 × 358,342.18
  4. Step 4: Simplify right side
    613,040.26x = 303,110,459,035.72
  5. Step 5: Solve for x
    x = 303,110,459,035.72/613,040.26
  6. Step 6: Final answer
    x = 494,438.10

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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.