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Finding the Fourth Proportional to 559,210.56, 771,719.38 and 304,561.56

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Solution

The fourth proportional to 559,210.56, 771,719.38 and 304,561.56 is: 420,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,210.56 : 771,719.38 = 304,561.56 : x
  2. Step 2: Convert to fraction form
    559,210.56/771,719.38 = 304,561.56/x
  3. Step 3: Cross multiply
    559,210.56x = 771,719.38 × 304,561.56
  4. Step 4: Simplify right side
    559,210.56x = 235,036,058,255.03
  5. Step 5: Solve for x
    x = 235,036,058,255.03/559,210.56
  6. Step 6: Final answer
    x = 420,299.75

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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.