Home / 545,906.89-815,975.81-474,260.77

Finding the Fourth Proportional to 545,906.89, 815,975.81 and 474,260.77

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Solution

The fourth proportional to 545,906.89, 815,975.81 and 474,260.77 is: 708,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,906.89 : 815,975.81 = 474,260.77 : x
  2. Step 2: Convert to fraction form
    545,906.89/815,975.81 = 474,260.77/x
  3. Step 3: Cross multiply
    545,906.89x = 815,975.81 × 474,260.77
  4. Step 4: Simplify right side
    545,906.89x = 386,985,315,951.97
  5. Step 5: Solve for x
    x = 386,985,315,951.97/545,906.89
  6. Step 6: Final answer
    x = 708,885.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.