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Finding the Fourth Proportional to 565,632.94, 780,553.52 and 310,982.18

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Solution

The fourth proportional to 565,632.94, 780,553.52 and 310,982.18 is: 429,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,632.94 : 780,553.52 = 310,982.18 : x
  2. Step 2: Convert to fraction form
    565,632.94/780,553.52 = 310,982.18/x
  3. Step 3: Cross multiply
    565,632.94x = 780,553.52 × 310,982.18
  4. Step 4: Simplify right side
    565,632.94x = 242,738,235,256.27
  5. Step 5: Solve for x
    x = 242,738,235,256.27/565,632.94
  6. Step 6: Final answer
    x = 429,144.45

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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.