Home / 723,749.04-1,085,331.84-218,153.52

Finding the Fourth Proportional to 723,749.04, 1,085,331.84 and 218,153.52

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Solution

The fourth proportional to 723,749.04, 1,085,331.84 and 218,153.52 is: 327,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,749.04 : 1,085,331.84 = 218,153.52 : x
  2. Step 2: Convert to fraction form
    723,749.04/1,085,331.84 = 218,153.52/x
  3. Step 3: Cross multiply
    723,749.04x = 1,085,331.84 × 218,153.52
  4. Step 4: Simplify right side
    723,749.04x = 236,768,961,264.08
  5. Step 5: Solve for x
    x = 236,768,961,264.08/723,749.04
  6. Step 6: Final answer
    x = 327,142.35

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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.