Home / 987,259.12-1,480,944.06-277,231.79

Finding the Fourth Proportional to 987,259.12, 1,480,944.06 and 277,231.79

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Solution

The fourth proportional to 987,259.12, 1,480,944.06 and 277,231.79 is: 415,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,259.12 : 1,480,944.06 = 277,231.79 : x
  2. Step 2: Convert to fraction form
    987,259.12/1,480,944.06 = 277,231.79/x
  3. Step 3: Cross multiply
    987,259.12x = 1,480,944.06 × 277,231.79
  4. Step 4: Simplify right side
    987,259.12x = 410,564,772,643.67
  5. Step 5: Solve for x
    x = 410,564,772,643.67/987,259.12
  6. Step 6: Final answer
    x = 415,863.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.