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Finding the Fourth Proportional to 538,870.08, 743,658.67 and 293,868.25

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Solution

The fourth proportional to 538,870.08, 743,658.67 and 293,868.25 is: 405,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,870.08 : 743,658.67 = 293,868.25 : x
  2. Step 2: Convert to fraction form
    538,870.08/743,658.67 = 293,868.25/x
  3. Step 3: Cross multiply
    538,870.08x = 743,658.67 × 293,868.25
  4. Step 4: Simplify right side
    538,870.08x = 218,537,671,950.23
  5. Step 5: Solve for x
    x = 218,537,671,950.23/538,870.08
  6. Step 6: Final answer
    x = 405,547.98

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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.