Home / 1,008,685.08-1,513,249.02-298,768.68

Finding the Fourth Proportional to 1,008,685.08, 1,513,249.02 and 298,768.68

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Solution

The fourth proportional to 1,008,685.08, 1,513,249.02 and 298,768.68 is: 448,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,685.08 : 1,513,249.02 = 298,768.68 : x
  2. Step 2: Convert to fraction form
    1,008,685.08/1,513,249.02 = 298,768.68/x
  3. Step 3: Cross multiply
    1,008,685.08x = 1,513,249.02 × 298,768.68
  4. Step 4: Simplify right side
    1,008,685.08x = 452,111,412,216.69
  5. Step 5: Solve for x
    x = 452,111,412,216.69/1,008,685.08
  6. Step 6: Final answer
    x = 448,218.60

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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.