Home / 568,327.79-784,280.37-310,196.18

Finding the Fourth Proportional to 568,327.79, 784,280.37 and 310,196.18

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Solution

The fourth proportional to 568,327.79, 784,280.37 and 310,196.18 is: 428,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,327.79 : 784,280.37 = 310,196.18 : x
  2. Step 2: Convert to fraction form
    568,327.79/784,280.37 = 310,196.18/x
  3. Step 3: Cross multiply
    568,327.79x = 784,280.37 × 310,196.18
  4. Step 4: Simplify right side
    568,327.79x = 243,280,777,946.92
  5. Step 5: Solve for x
    x = 243,280,777,946.92/568,327.79
  6. Step 6: Final answer
    x = 428,064.19

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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.