Home / 487,272.31-731,033.03-202,868.33

Finding the Fourth Proportional to 487,272.31, 731,033.03 and 202,868.33

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Solution

The fourth proportional to 487,272.31, 731,033.03 and 202,868.33 is: 304,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,272.31 : 731,033.03 = 202,868.33 : x
  2. Step 2: Convert to fraction form
    487,272.31/731,033.03 = 202,868.33/x
  3. Step 3: Cross multiply
    487,272.31x = 731,033.03 × 202,868.33
  4. Step 4: Simplify right side
    487,272.31x = 148,303,446,822.95
  5. Step 5: Solve for x
    x = 148,303,446,822.95/487,272.31
  6. Step 6: Final answer
    x = 304,354.35

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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.