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Finding the Fourth Proportional to 507,502.46, 760,776.85 and 170,306.63

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Solution

The fourth proportional to 507,502.46, 760,776.85 and 170,306.63 is: 255,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,502.46 : 760,776.85 = 170,306.63 : x
  2. Step 2: Convert to fraction form
    507,502.46/760,776.85 = 170,306.63/x
  3. Step 3: Cross multiply
    507,502.46x = 760,776.85 × 170,306.63
  4. Step 4: Simplify right side
    507,502.46x = 129,565,341,505.52
  5. Step 5: Solve for x
    x = 129,565,341,505.52/507,502.46
  6. Step 6: Final answer
    x = 255,299.93

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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.