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Finding the Fourth Proportional to 522,041.10, 784,228.05 and 502,212.30

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Solution

The fourth proportional to 522,041.10, 784,228.05 and 502,212.30 is: 754,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,041.10 : 784,228.05 = 502,212.30 : x
  2. Step 2: Convert to fraction form
    522,041.10/784,228.05 = 502,212.30/x
  3. Step 3: Cross multiply
    522,041.10x = 784,228.05 × 502,212.30
  4. Step 4: Simplify right side
    522,041.10x = 393,848,972,715.02
  5. Step 5: Solve for x
    x = 393,848,972,715.02/522,041.10
  6. Step 6: Final answer
    x = 754,440.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.