Home / 558,985.87-771,388.39-326,452.80

Finding the Fourth Proportional to 558,985.87, 771,388.39 and 326,452.80

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Solution

The fourth proportional to 558,985.87, 771,388.39 and 326,452.80 is: 450,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,985.87 : 771,388.39 = 326,452.80 : x
  2. Step 2: Convert to fraction form
    558,985.87/771,388.39 = 326,452.80/x
  3. Step 3: Cross multiply
    558,985.87x = 771,388.39 × 326,452.80
  4. Step 4: Simplify right side
    558,985.87x = 251,821,899,802.99
  5. Step 5: Solve for x
    x = 251,821,899,802.99/558,985.87
  6. Step 6: Final answer
    x = 450,497.79

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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.