Home / 506,719.74-758,565.18-306,434.28

Finding the Fourth Proportional to 506,719.74, 758,565.18 and 306,434.28

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Solution

The fourth proportional to 506,719.74, 758,565.18 and 306,434.28 is: 458,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,719.74 : 758,565.18 = 306,434.28 : x
  2. Step 2: Convert to fraction form
    506,719.74/758,565.18 = 306,434.28/x
  3. Step 3: Cross multiply
    506,719.74x = 758,565.18 × 306,434.28
  4. Step 4: Simplify right side
    506,719.74x = 232,450,374,766.37
  5. Step 5: Solve for x
    x = 232,450,374,766.37/506,719.74
  6. Step 6: Final answer
    x = 458,735.58

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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.