Home / 806,637.26-1,209,989.28-238,018.36

Finding the Fourth Proportional to 806,637.26, 1,209,989.28 and 238,018.36

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Solution

The fourth proportional to 806,637.26, 1,209,989.28 and 238,018.36 is: 357,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,637.26 : 1,209,989.28 = 238,018.36 : x
  2. Step 2: Convert to fraction form
    806,637.26/1,209,989.28 = 238,018.36/x
  3. Step 3: Cross multiply
    806,637.26x = 1,209,989.28 × 238,018.36
  4. Step 4: Simplify right side
    806,637.26x = 287,999,663,510.08
  5. Step 5: Solve for x
    x = 287,999,663,510.08/806,637.26
  6. Step 6: Final answer
    x = 357,037.39

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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.