Home / 803,062.08-1,108,231.20-445,389.12

Finding the Fourth Proportional to 803,062.08, 1,108,231.20 and 445,389.12

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Solution

The fourth proportional to 803,062.08, 1,108,231.20 and 445,389.12 is: 614,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,062.08 : 1,108,231.20 = 445,389.12 : x
  2. Step 2: Convert to fraction form
    803,062.08/1,108,231.20 = 445,389.12/x
  3. Step 3: Cross multiply
    803,062.08x = 1,108,231.20 × 445,389.12
  4. Step 4: Simplify right side
    803,062.08x = 493,594,118,924.54
  5. Step 5: Solve for x
    x = 493,594,118,924.54/803,062.08
  6. Step 6: Final answer
    x = 614,640.05

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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.