Home / 385,973.54-578,961.66-273,313.01

Finding the Fourth Proportional to 385,973.54, 578,961.66 and 273,313.01

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Solution

The fourth proportional to 385,973.54, 578,961.66 and 273,313.01 is: 409,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,973.54 : 578,961.66 = 273,313.01 : x
  2. Step 2: Convert to fraction form
    385,973.54/578,961.66 = 273,313.01/x
  3. Step 3: Cross multiply
    385,973.54x = 578,961.66 × 273,313.01
  4. Step 4: Simplify right side
    385,973.54x = 158,237,751,074.39
  5. Step 5: Solve for x
    x = 158,237,751,074.39/385,973.54
  6. Step 6: Final answer
    x = 409,970.47

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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.