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Finding the Fourth Proportional to 675,881.94, 932,726.70 and 374,075.94

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Solution

The fourth proportional to 675,881.94, 932,726.70 and 374,075.94 is: 516,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,881.94 : 932,726.70 = 374,075.94 : x
  2. Step 2: Convert to fraction form
    675,881.94/932,726.70 = 374,075.94/x
  3. Step 3: Cross multiply
    675,881.94x = 932,726.70 × 374,075.94
  4. Step 4: Simplify right side
    675,881.94x = 348,910,617,065.60
  5. Step 5: Solve for x
    x = 348,910,617,065.60/675,881.94
  6. Step 6: Final answer
    x = 516,230.12

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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.