Home / 762,251.66-1,051,908.80-418,090.40

Finding the Fourth Proportional to 762,251.66, 1,051,908.80 and 418,090.40

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Solution

The fourth proportional to 762,251.66, 1,051,908.80 and 418,090.40 is: 576,965.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,251.66 : 1,051,908.80 = 418,090.40 : x
  2. Step 2: Convert to fraction form
    762,251.66/1,051,908.80 = 418,090.40/x
  3. Step 3: Cross multiply
    762,251.66x = 1,051,908.80 × 418,090.40
  4. Step 4: Simplify right side
    762,251.66x = 439,792,970,955.52
  5. Step 5: Solve for x
    x = 439,792,970,955.52/762,251.66
  6. Step 6: Final answer
    x = 576,965.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.