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Finding the Fourth Proportional to 507,370.75, 700,182.95 and 289,575.06

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Solution

The fourth proportional to 507,370.75, 700,182.95 and 289,575.06 is: 399,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,370.75 : 700,182.95 = 289,575.06 : x
  2. Step 2: Convert to fraction form
    507,370.75/700,182.95 = 289,575.06/x
  3. Step 3: Cross multiply
    507,370.75x = 700,182.95 × 289,575.06
  4. Step 4: Simplify right side
    507,370.75x = 202,755,519,757.23
  5. Step 5: Solve for x
    x = 202,755,519,757.23/507,370.75
  6. Step 6: Final answer
    x = 399,620.04

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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.