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Finding the Fourth Proportional to 633,335.52, 874,003.32 and 346,873.62

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Solution

The fourth proportional to 633,335.52, 874,003.32 and 346,873.62 is: 478,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,335.52 : 874,003.32 = 346,873.62 : x
  2. Step 2: Convert to fraction form
    633,335.52/874,003.32 = 346,873.62/x
  3. Step 3: Cross multiply
    633,335.52x = 874,003.32 × 346,873.62
  4. Step 4: Simplify right side
    633,335.52x = 303,168,695,500.42
  5. Step 5: Solve for x
    x = 303,168,695,500.42/633,335.52
  6. Step 6: Final answer
    x = 478,685.76

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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.