Home / 803,213.08-1,108,351.62-480,914.92

Finding the Fourth Proportional to 803,213.08, 1,108,351.62 and 480,914.92

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Solution

The fourth proportional to 803,213.08, 1,108,351.62 and 480,914.92 is: 663,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,213.08 : 1,108,351.62 = 480,914.92 : x
  2. Step 2: Convert to fraction form
    803,213.08/1,108,351.62 = 480,914.92/x
  3. Step 3: Cross multiply
    803,213.08x = 1,108,351.62 × 480,914.92
  4. Step 4: Simplify right side
    803,213.08x = 533,022,830,664.17
  5. Step 5: Solve for x
    x = 533,022,830,664.17/803,213.08
  6. Step 6: Final answer
    x = 663,613.24

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Double scale
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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.