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Finding the Fourth Proportional to 507,555.62, 700,433.68 and 278,108.34

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Solution

The fourth proportional to 507,555.62, 700,433.68 and 278,108.34 is: 383,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,555.62 : 700,433.68 = 278,108.34 : x
  2. Step 2: Convert to fraction form
    507,555.62/700,433.68 = 278,108.34/x
  3. Step 3: Cross multiply
    507,555.62x = 700,433.68 × 278,108.34
  4. Step 4: Simplify right side
    507,555.62x = 194,796,445,224.45
  5. Step 5: Solve for x
    x = 194,796,445,224.45/507,555.62
  6. Step 6: Final answer
    x = 383,793.30

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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.