Home / 803,434.70-1,205,929.65-488,506.70

Finding the Fourth Proportional to 803,434.70, 1,205,929.65 and 488,506.70

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Solution

The fourth proportional to 803,434.70, 1,205,929.65 and 488,506.70 is: 733,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,434.70 : 1,205,929.65 = 488,506.70 : x
  2. Step 2: Convert to fraction form
    803,434.70/1,205,929.65 = 488,506.70/x
  3. Step 3: Cross multiply
    803,434.70x = 1,205,929.65 × 488,506.70
  4. Step 4: Simplify right side
    803,434.70x = 589,104,713,753.66
  5. Step 5: Solve for x
    x = 589,104,713,753.66/803,434.70
  6. Step 6: Final answer
    x = 733,232.85

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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.