Home / 929,938.70-1,394,562.45-368,857.10

Finding the Fourth Proportional to 929,938.70, 1,394,562.45 and 368,857.10

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Solution

The fourth proportional to 929,938.70, 1,394,562.45 and 368,857.10 is: 553,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,938.70 : 1,394,562.45 = 368,857.10 : x
  2. Step 2: Convert to fraction form
    929,938.70/1,394,562.45 = 368,857.10/x
  3. Step 3: Cross multiply
    929,938.70x = 1,394,562.45 × 368,857.10
  4. Step 4: Simplify right side
    929,938.70x = 514,394,261,075.90
  5. Step 5: Solve for x
    x = 514,394,261,075.90/929,938.70
  6. Step 6: Final answer
    x = 553,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.