Home / 940,387.32-1,298,410.56-578,297.88

Finding the Fourth Proportional to 940,387.32, 1,298,410.56 and 578,297.88

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Solution

The fourth proportional to 940,387.32, 1,298,410.56 and 578,297.88 is: 798,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,387.32 : 1,298,410.56 = 578,297.88 : x
  2. Step 2: Convert to fraction form
    940,387.32/1,298,410.56 = 578,297.88/x
  3. Step 3: Cross multiply
    940,387.32x = 1,298,410.56 × 578,297.88
  4. Step 4: Simplify right side
    940,387.32x = 750,868,074,217.61
  5. Step 5: Solve for x
    x = 750,868,074,217.61/940,387.32
  6. Step 6: Final answer
    x = 798,466.82

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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.