Home / 803,370.42-1,205,006.13-330,043.50

Finding the Fourth Proportional to 803,370.42, 1,205,006.13 and 330,043.50

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Solution

The fourth proportional to 803,370.42, 1,205,006.13 and 330,043.50 is: 495,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,370.42 : 1,205,006.13 = 330,043.50 : x
  2. Step 2: Convert to fraction form
    803,370.42/1,205,006.13 = 330,043.50/x
  3. Step 3: Cross multiply
    803,370.42x = 1,205,006.13 × 330,043.50
  4. Step 4: Simplify right side
    803,370.42x = 397,704,440,666.66
  5. Step 5: Solve for x
    x = 397,704,440,666.66/803,370.42
  6. Step 6: Final answer
    x = 495,044.91

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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.