Home / 885,872.70-1,329,020.68-286,834.50

Finding the Fourth Proportional to 885,872.70, 1,329,020.68 and 286,834.50

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Solution

The fourth proportional to 885,872.70, 1,329,020.68 and 286,834.50 is: 430,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,872.70 : 1,329,020.68 = 286,834.50 : x
  2. Step 2: Convert to fraction form
    885,872.70/1,329,020.68 = 286,834.50/x
  3. Step 3: Cross multiply
    885,872.70x = 1,329,020.68 × 286,834.50
  4. Step 4: Simplify right side
    885,872.70x = 381,208,982,237.46
  5. Step 5: Solve for x
    x = 381,208,982,237.46/885,872.70
  6. Step 6: Final answer
    x = 430,320.27

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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.