Home / 1,048,380.64-1,572,570.86-338,513.24

Finding the Fourth Proportional to 1,048,380.64, 1,572,570.86 and 338,513.24

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Solution

The fourth proportional to 1,048,380.64, 1,572,570.86 and 338,513.24 is: 507,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,380.64 : 1,572,570.86 = 338,513.24 : x
  2. Step 2: Convert to fraction form
    1,048,380.64/1,572,570.86 = 338,513.24/x
  3. Step 3: Cross multiply
    1,048,380.64x = 1,572,570.86 × 338,513.24
  4. Step 4: Simplify right side
    1,048,380.64x = 532,336,059,187.05
  5. Step 5: Solve for x
    x = 532,336,059,187.05/1,048,380.64
  6. Step 6: Final answer
    x = 507,769.83

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Double scale
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1.5x scale

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.