Home / 723,840.29-1,085,054.27-344,659.17

Finding the Fourth Proportional to 723,840.29, 1,085,054.27 and 344,659.17

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Solution

The fourth proportional to 723,840.29, 1,085,054.27 and 344,659.17 is: 516,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,840.29 : 1,085,054.27 = 344,659.17 : x
  2. Step 2: Convert to fraction form
    723,840.29/1,085,054.27 = 344,659.17/x
  3. Step 3: Cross multiply
    723,840.29x = 1,085,054.27 × 344,659.17
  4. Step 4: Simplify right side
    723,840.29x = 373,973,902,379.86
  5. Step 5: Solve for x
    x = 373,973,902,379.86/723,840.29
  6. Step 6: Final answer
    x = 516,652.51

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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.