Home / 931,674.79-1,285,681.20-523,793.75

Finding the Fourth Proportional to 931,674.79, 1,285,681.20 and 523,793.75

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Solution

The fourth proportional to 931,674.79, 1,285,681.20 and 523,793.75 is: 722,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,674.79 : 1,285,681.20 = 523,793.75 : x
  2. Step 2: Convert to fraction form
    931,674.79/1,285,681.20 = 523,793.75/x
  3. Step 3: Cross multiply
    931,674.79x = 1,285,681.20 × 523,793.75
  4. Step 4: Simplify right side
    931,674.79x = 673,431,777,052.50
  5. Step 5: Solve for x
    x = 673,431,777,052.50/931,674.79
  6. Step 6: Final answer
    x = 722,818.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.