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Finding the Fourth Proportional to 559,440.82, 772,028.42 and 304,792.01

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Solution

The fourth proportional to 559,440.82, 772,028.42 and 304,792.01 is: 420,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,440.82 : 772,028.42 = 304,792.01 : x
  2. Step 2: Convert to fraction form
    559,440.82/772,028.42 = 304,792.01/x
  3. Step 3: Cross multiply
    559,440.82x = 772,028.42 × 304,792.01
  4. Step 4: Simplify right side
    559,440.82x = 235,308,093,908.92
  5. Step 5: Solve for x
    x = 235,308,093,908.92/559,440.82
  6. Step 6: Final answer
    x = 420,613.02

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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.