Home / 765,641.59-1,148,703.75-360,817.45

Finding the Fourth Proportional to 765,641.59, 1,148,703.75 and 360,817.45

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Solution

The fourth proportional to 765,641.59, 1,148,703.75 and 360,817.45 is: 541,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,641.59 : 1,148,703.75 = 360,817.45 : x
  2. Step 2: Convert to fraction form
    765,641.59/1,148,703.75 = 360,817.45/x
  3. Step 3: Cross multiply
    765,641.59x = 1,148,703.75 × 360,817.45
  4. Step 4: Simplify right side
    765,641.59x = 414,472,357,880.44
  5. Step 5: Solve for x
    x = 414,472,357,880.44/765,641.59
  6. Step 6: Final answer
    x = 541,339.92

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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.