Home / 657,043.62-906,719.80-370,563.02

Finding the Fourth Proportional to 657,043.62, 906,719.80 and 370,563.02

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Solution

The fourth proportional to 657,043.62, 906,719.80 and 370,563.02 is: 511,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,043.62 : 906,719.80 = 370,563.02 : x
  2. Step 2: Convert to fraction form
    657,043.62/906,719.80 = 370,563.02/x
  3. Step 3: Cross multiply
    657,043.62x = 906,719.80 × 370,563.02
  4. Step 4: Simplify right side
    657,043.62x = 335,996,827,381.80
  5. Step 5: Solve for x
    x = 335,996,827,381.80/657,043.62
  6. Step 6: Final answer
    x = 511,376.74

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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.