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Finding the Fourth Proportional to 522,039.60, 784,225.80 and 502,210.80

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Solution

The fourth proportional to 522,039.60, 784,225.80 and 502,210.80 is: 754,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,039.60 : 784,225.80 = 502,210.80 : x
  2. Step 2: Convert to fraction form
    522,039.60/784,225.80 = 502,210.80/x
  3. Step 3: Cross multiply
    522,039.60x = 784,225.80 × 502,210.80
  4. Step 4: Simplify right side
    522,039.60x = 393,846,666,398.64
  5. Step 5: Solve for x
    x = 393,846,666,398.64/522,039.60
  6. Step 6: Final answer
    x = 754,438.30

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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.