Home / 438,035.46-604,618.21-256,786.62

Finding the Fourth Proportional to 438,035.46, 604,618.21 and 256,786.62

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Solution

The fourth proportional to 438,035.46, 604,618.21 and 256,786.62 is: 354,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,035.46 : 604,618.21 = 256,786.62 : x
  2. Step 2: Convert to fraction form
    438,035.46/604,618.21 = 256,786.62/x
  3. Step 3: Cross multiply
    438,035.46x = 604,618.21 × 256,786.62
  4. Step 4: Simplify right side
    438,035.46x = 155,257,864,590.02
  5. Step 5: Solve for x
    x = 155,257,864,590.02/438,035.46
  6. Step 6: Final answer
    x = 354,441.32

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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.