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Finding the Fourth Proportional to 559,030.08, 771,451.52 and 304,376.64

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Solution

The fourth proportional to 559,030.08, 771,451.52 and 304,376.64 is: 420,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,030.08 : 771,451.52 = 304,376.64 : x
  2. Step 2: Convert to fraction form
    559,030.08/771,451.52 = 304,376.64/x
  3. Step 3: Cross multiply
    559,030.08x = 771,451.52 × 304,376.64
  4. Step 4: Simplify right side
    559,030.08x = 234,811,821,580.49
  5. Step 5: Solve for x
    x = 234,811,821,580.49/559,030.08
  6. Step 6: Final answer
    x = 420,034.32

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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.