Home / 765,515.43-1,146,960.95-540,473.13

Finding the Fourth Proportional to 765,515.43, 1,146,960.95 and 540,473.13

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Solution

The fourth proportional to 765,515.43, 1,146,960.95 and 540,473.13 is: 809,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,515.43 : 1,146,960.95 = 540,473.13 : x
  2. Step 2: Convert to fraction form
    765,515.43/1,146,960.95 = 540,473.13/x
  3. Step 3: Cross multiply
    765,515.43x = 1,146,960.95 × 540,473.13
  4. Step 4: Simplify right side
    765,515.43x = 619,901,571,931.91
  5. Step 5: Solve for x
    x = 619,901,571,931.91/765,515.43
  6. Step 6: Final answer
    x = 809,783.25

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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.