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Finding the Fourth Proportional to 507,233.34, 700,003.80 and 280,878.84

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Solution

The fourth proportional to 507,233.34, 700,003.80 and 280,878.84 is: 387,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,233.34 : 700,003.80 = 280,878.84 : x
  2. Step 2: Convert to fraction form
    507,233.34/700,003.80 = 280,878.84/x
  3. Step 3: Cross multiply
    507,233.34x = 700,003.80 × 280,878.84
  4. Step 4: Simplify right side
    507,233.34x = 196,616,255,339.59
  5. Step 5: Solve for x
    x = 196,616,255,339.59/507,233.34
  6. Step 6: Final answer
    x = 387,624.87

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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.