Home / 765,794.74-1,149,079.62-316,837.79

Finding the Fourth Proportional to 765,794.74, 1,149,079.62 and 316,837.79

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Solution

The fourth proportional to 765,794.74, 1,149,079.62 and 316,837.79 is: 475,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,794.74 : 1,149,079.62 = 316,837.79 : x
  2. Step 2: Convert to fraction form
    765,794.74/1,149,079.62 = 316,837.79/x
  3. Step 3: Cross multiply
    765,794.74x = 1,149,079.62 × 316,837.79
  4. Step 4: Simplify right side
    765,794.74x = 364,071,847,334.84
  5. Step 5: Solve for x
    x = 364,071,847,334.84/765,794.74
  6. Step 6: Final answer
    x = 475,417.01

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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.