Home / 564,582.90-779,125.15-306,459.68

Finding the Fourth Proportional to 564,582.90, 779,125.15 and 306,459.68

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Solution

The fourth proportional to 564,582.90, 779,125.15 and 306,459.68 is: 422,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,582.90 : 779,125.15 = 306,459.68 : x
  2. Step 2: Convert to fraction form
    564,582.90/779,125.15 = 306,459.68/x
  3. Step 3: Cross multiply
    564,582.90x = 779,125.15 × 306,459.68
  4. Step 4: Simplify right side
    564,582.90x = 238,770,441,750.29
  5. Step 5: Solve for x
    x = 238,770,441,750.29/564,582.90
  6. Step 6: Final answer
    x = 422,914.76

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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.