Home / 769,711.36-1,154,392.08-370,146.46

Finding the Fourth Proportional to 769,711.36, 1,154,392.08 and 370,146.46

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Solution

The fourth proportional to 769,711.36, 1,154,392.08 and 370,146.46 is: 555,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,711.36 : 1,154,392.08 = 370,146.46 : x
  2. Step 2: Convert to fraction form
    769,711.36/1,154,392.08 = 370,146.46/x
  3. Step 3: Cross multiply
    769,711.36x = 1,154,392.08 × 370,146.46
  4. Step 4: Simplify right side
    769,711.36x = 427,294,141,864.04
  5. Step 5: Solve for x
    x = 427,294,141,864.04/769,711.36
  6. Step 6: Final answer
    x = 555,135.55

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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.