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Finding the Fourth Proportional to 567,601.24, 783,288.76 and 312,953.16

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Solution

The fourth proportional to 567,601.24, 783,288.76 and 312,953.16 is: 431,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,601.24 : 783,288.76 = 312,953.16 : x
  2. Step 2: Convert to fraction form
    567,601.24/783,288.76 = 312,953.16/x
  3. Step 3: Cross multiply
    567,601.24x = 783,288.76 × 312,953.16
  4. Step 4: Simplify right side
    567,601.24x = 245,132,692,634.48
  5. Step 5: Solve for x
    x = 245,132,692,634.48/567,601.24
  6. Step 6: Final answer
    x = 431,874.84

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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.