Home / 490,926.08-677,482.10-276,064.36

Finding the Fourth Proportional to 490,926.08, 677,482.10 and 276,064.36

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Solution

The fourth proportional to 490,926.08, 677,482.10 and 276,064.36 is: 380,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,926.08 : 677,482.10 = 276,064.36 : x
  2. Step 2: Convert to fraction form
    490,926.08/677,482.10 = 276,064.36/x
  3. Step 3: Cross multiply
    490,926.08x = 677,482.10 × 276,064.36
  4. Step 4: Simplify right side
    490,926.08x = 187,028,662,347.96
  5. Step 5: Solve for x
    x = 187,028,662,347.96/490,926.08
  6. Step 6: Final answer
    x = 380,971.13

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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.