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Finding the Fourth Proportional to 559,570.98, 772,208.94 and 304,922.17

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Solution

The fourth proportional to 559,570.98, 772,208.94 and 304,922.17 is: 420,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,570.98 : 772,208.94 = 304,922.17 : x
  2. Step 2: Convert to fraction form
    559,570.98/772,208.94 = 304,922.17/x
  3. Step 3: Cross multiply
    559,570.98x = 772,208.94 × 304,922.17
  4. Step 4: Simplify right side
    559,570.98x = 235,463,625,678.20
  5. Step 5: Solve for x
    x = 235,463,625,678.20/559,570.98
  6. Step 6: Final answer
    x = 420,793.13

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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.