Home / 723,840.60-1,085,054.75-344,659.49

Finding the Fourth Proportional to 723,840.60, 1,085,054.75 and 344,659.49

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Solution

The fourth proportional to 723,840.60, 1,085,054.75 and 344,659.49 is: 516,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,840.60 : 1,085,054.75 = 344,659.49 : x
  2. Step 2: Convert to fraction form
    723,840.60/1,085,054.75 = 344,659.49/x
  3. Step 3: Cross multiply
    723,840.60x = 1,085,054.75 × 344,659.49
  4. Step 4: Simplify right side
    723,840.60x = 373,974,416,757.08
  5. Step 5: Solve for x
    x = 373,974,416,757.08/723,840.60
  6. Step 6: Final answer
    x = 516,653.00

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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.