Home / 1,007,998.24-1,391,036.96-555,289.24

Finding the Fourth Proportional to 1,007,998.24, 1,391,036.96 and 555,289.24

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Solution

The fourth proportional to 1,007,998.24, 1,391,036.96 and 555,289.24 is: 766,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,998.24 : 1,391,036.96 = 555,289.24 : x
  2. Step 2: Convert to fraction form
    1,007,998.24/1,391,036.96 = 555,289.24/x
  3. Step 3: Cross multiply
    1,007,998.24x = 1,391,036.96 × 555,289.24
  4. Step 4: Simplify right side
    1,007,998.24x = 772,427,856,330.31
  5. Step 5: Solve for x
    x = 772,427,856,330.31/1,007,998.24
  6. Step 6: Final answer
    x = 766,298.81

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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.