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Finding the Fourth Proportional to 523,145.92, 722,158.32 and 353,609.68

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Solution

The fourth proportional to 523,145.92, 722,158.32 and 353,609.68 is: 488,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,145.92 : 722,158.32 = 353,609.68 : x
  2. Step 2: Convert to fraction form
    523,145.92/722,158.32 = 353,609.68/x
  3. Step 3: Cross multiply
    523,145.92x = 722,158.32 × 353,609.68
  4. Step 4: Simplify right side
    523,145.92x = 255,362,172,444.54
  5. Step 5: Solve for x
    x = 255,362,172,444.54/523,145.92
  6. Step 6: Final answer
    x = 488,128.00

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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.