Home / 657,725.10-986,296.05-302,556.30

Finding the Fourth Proportional to 657,725.10, 986,296.05 and 302,556.30

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Solution

The fourth proportional to 657,725.10, 986,296.05 and 302,556.30 is: 453,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,725.10 : 986,296.05 = 302,556.30 : x
  2. Step 2: Convert to fraction form
    657,725.10/986,296.05 = 302,556.30/x
  3. Step 3: Cross multiply
    657,725.10x = 986,296.05 × 302,556.30
  4. Step 4: Simplify right side
    657,725.10x = 298,410,083,592.62
  5. Step 5: Solve for x
    x = 298,410,083,592.62/657,725.10
  6. Step 6: Final answer
    x = 453,700.31

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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.