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Finding the Fourth Proportional to 559,501.98, 772,118.40 and 304,857.42

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Solution

The fourth proportional to 559,501.98, 772,118.40 and 304,857.42 is: 420,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,501.98 : 772,118.40 = 304,857.42 : x
  2. Step 2: Convert to fraction form
    559,501.98/772,118.40 = 304,857.42/x
  3. Step 3: Cross multiply
    559,501.98x = 772,118.40 × 304,857.42
  4. Step 4: Simplify right side
    559,501.98x = 235,386,023,358.53
  5. Step 5: Solve for x
    x = 235,386,023,358.53/559,501.98
  6. Step 6: Final answer
    x = 420,706.33

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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.