Home / 765,795.34-1,148,693.28-344,579.14

Finding the Fourth Proportional to 765,795.34, 1,148,693.28 and 344,579.14

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Solution

The fourth proportional to 765,795.34, 1,148,693.28 and 344,579.14 is: 516,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,795.34 : 1,148,693.28 = 344,579.14 : x
  2. Step 2: Convert to fraction form
    765,795.34/1,148,693.28 = 344,579.14/x
  3. Step 3: Cross multiply
    765,795.34x = 1,148,693.28 × 344,579.14
  4. Step 4: Simplify right side
    765,795.34x = 395,815,742,546.18
  5. Step 5: Solve for x
    x = 395,815,742,546.18/765,795.34
  6. Step 6: Final answer
    x = 516,868.83

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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.