Home / 506,789.24-758,669.40-306,503.78

Finding the Fourth Proportional to 506,789.24, 758,669.40 and 306,503.78

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Solution

The fourth proportional to 506,789.24, 758,669.40 and 306,503.78 is: 458,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,789.24 : 758,669.40 = 306,503.78 : x
  2. Step 2: Convert to fraction form
    506,789.24/758,669.40 = 306,503.78/x
  3. Step 3: Cross multiply
    506,789.24x = 758,669.40 × 306,503.78
  4. Step 4: Simplify right side
    506,789.24x = 232,535,038,870.33
  5. Step 5: Solve for x
    x = 232,535,038,870.33/506,789.24
  6. Step 6: Final answer
    x = 458,839.73

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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.