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Finding the Fourth Proportional to 559,206.68, 771,714 and 304,557.66

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Solution

The fourth proportional to 559,206.68, 771,714 and 304,557.66 is: 420,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,206.68 : 771,714 = 304,557.66 : x
  2. Step 2: Convert to fraction form
    559,206.68/771,714 = 304,557.66/x
  3. Step 3: Cross multiply
    559,206.68x = 771,714 × 304,557.66
  4. Step 4: Simplify right side
    559,206.68x = 235,031,410,029.24
  5. Step 5: Solve for x
    x = 235,031,410,029.24/559,206.68
  6. Step 6: Final answer
    x = 420,294.36

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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.