Home / 880,041.12-1,214,456.64-477,633.12

Finding the Fourth Proportional to 880,041.12, 1,214,456.64 and 477,633.12

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Solution

The fourth proportional to 880,041.12, 1,214,456.64 and 477,633.12 is: 659,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,041.12 : 1,214,456.64 = 477,633.12 : x
  2. Step 2: Convert to fraction form
    880,041.12/1,214,456.64 = 477,633.12/x
  3. Step 3: Cross multiply
    880,041.12x = 1,214,456.64 × 477,633.12
  4. Step 4: Simplify right side
    880,041.12x = 580,064,714,067.92
  5. Step 5: Solve for x
    x = 580,064,714,067.92/880,041.12
  6. Step 6: Final answer
    x = 659,133.65

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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.