Home / 658,541.72-908,790.36-356,735.72

Finding the Fourth Proportional to 658,541.72, 908,790.36 and 356,735.72

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Solution

The fourth proportional to 658,541.72, 908,790.36 and 356,735.72 is: 492,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,541.72 : 908,790.36 = 356,735.72 : x
  2. Step 2: Convert to fraction form
    658,541.72/908,790.36 = 356,735.72/x
  3. Step 3: Cross multiply
    658,541.72x = 908,790.36 × 356,735.72
  4. Step 4: Simplify right side
    658,541.72x = 324,197,983,403.66
  5. Step 5: Solve for x
    x = 324,197,983,403.66/658,541.72
  6. Step 6: Final answer
    x = 492,296.80

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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.