Home / 500,222.02-690,242.04-285,349.24

Finding the Fourth Proportional to 500,222.02, 690,242.04 and 285,349.24

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Solution

The fourth proportional to 500,222.02, 690,242.04 and 285,349.24 is: 393,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,222.02 : 690,242.04 = 285,349.24 : x
  2. Step 2: Convert to fraction form
    500,222.02/690,242.04 = 285,349.24/x
  3. Step 3: Cross multiply
    500,222.02x = 690,242.04 × 285,349.24
  4. Step 4: Simplify right side
    500,222.02x = 196,960,041,530.05
  5. Step 5: Solve for x
    x = 196,960,041,530.05/500,222.02
  6. Step 6: Final answer
    x = 393,745.24

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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.