Home / 787,457.05-1,181,357.83-255,031.90

Finding the Fourth Proportional to 787,457.05, 1,181,357.83 and 255,031.90

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Solution

The fourth proportional to 787,457.05, 1,181,357.83 and 255,031.90 is: 382,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,457.05 : 1,181,357.83 = 255,031.90 : x
  2. Step 2: Convert to fraction form
    787,457.05/1,181,357.83 = 255,031.90/x
  3. Step 3: Cross multiply
    787,457.05x = 1,181,357.83 × 255,031.90
  4. Step 4: Simplify right side
    787,457.05x = 301,283,931,964.78
  5. Step 5: Solve for x
    x = 301,283,931,964.78/787,457.05
  6. Step 6: Final answer
    x = 382,603.64

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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.