Home / 822,828.72-1,135,608.68-460,272.72

Finding the Fourth Proportional to 822,828.72, 1,135,608.68 and 460,272.72

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Solution

The fourth proportional to 822,828.72, 1,135,608.68 and 460,272.72 is: 635,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,828.72 : 1,135,608.68 = 460,272.72 : x
  2. Step 2: Convert to fraction form
    822,828.72/1,135,608.68 = 460,272.72/x
  3. Step 3: Cross multiply
    822,828.72x = 1,135,608.68 × 460,272.72
  4. Step 4: Simplify right side
    822,828.72x = 522,689,695,999.21
  5. Step 5: Solve for x
    x = 522,689,695,999.21/822,828.72
  6. Step 6: Final answer
    x = 635,235.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.