Home / 755,253.21-1,132,547.44-400,185.39

Finding the Fourth Proportional to 755,253.21, 1,132,547.44 and 400,185.39

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Solution

The fourth proportional to 755,253.21, 1,132,547.44 and 400,185.39 is: 600,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,253.21 : 1,132,547.44 = 400,185.39 : x
  2. Step 2: Convert to fraction form
    755,253.21/1,132,547.44 = 400,185.39/x
  3. Step 3: Cross multiply
    755,253.21x = 1,132,547.44 × 400,185.39
  4. Step 4: Simplify right side
    755,253.21x = 453,228,938,969.90
  5. Step 5: Solve for x
    x = 453,228,938,969.90/755,253.21
  6. Step 6: Final answer
    x = 600,101.97

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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.