Home / 765,642.59-1,148,705.25-360,818.45

Finding the Fourth Proportional to 765,642.59, 1,148,705.25 and 360,818.45

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Solution

The fourth proportional to 765,642.59, 1,148,705.25 and 360,818.45 is: 541,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,642.59 : 1,148,705.25 = 360,818.45 : x
  2. Step 2: Convert to fraction form
    765,642.59/1,148,705.25 = 360,818.45/x
  3. Step 3: Cross multiply
    765,642.59x = 1,148,705.25 × 360,818.45
  4. Step 4: Simplify right side
    765,642.59x = 414,474,047,811.86
  5. Step 5: Solve for x
    x = 414,474,047,811.86/765,642.59
  6. Step 6: Final answer
    x = 541,341.42

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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.