Home / 826,937.34-1,240,582.68-287,210.31

Finding the Fourth Proportional to 826,937.34, 1,240,582.68 and 287,210.31

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Solution

The fourth proportional to 826,937.34, 1,240,582.68 and 287,210.31 is: 430,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,937.34 : 1,240,582.68 = 287,210.31 : x
  2. Step 2: Convert to fraction form
    826,937.34/1,240,582.68 = 287,210.31/x
  3. Step 3: Cross multiply
    826,937.34x = 1,240,582.68 × 287,210.31
  4. Step 4: Simplify right side
    826,937.34x = 356,308,136,103.43
  5. Step 5: Solve for x
    x = 356,308,136,103.43/826,937.34
  6. Step 6: Final answer
    x = 430,876.83

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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.