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Finding the Fourth Proportional to 579,811.68, 799,399.44 and 375,501.60

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Solution

The fourth proportional to 579,811.68, 799,399.44 and 375,501.60 is: 517,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,811.68 : 799,399.44 = 375,501.60 : x
  2. Step 2: Convert to fraction form
    579,811.68/799,399.44 = 375,501.60/x
  3. Step 3: Cross multiply
    579,811.68x = 799,399.44 × 375,501.60
  4. Step 4: Simplify right side
    579,811.68x = 300,175,768,759.10
  5. Step 5: Solve for x
    x = 300,175,768,759.10/579,811.68
  6. Step 6: Final answer
    x = 517,712.52

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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.