Home / 675,745.32-1,013,617.95-310,970.10

Finding the Fourth Proportional to 675,745.32, 1,013,617.95 and 310,970.10

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Solution

The fourth proportional to 675,745.32, 1,013,617.95 and 310,970.10 is: 466,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,745.32 : 1,013,617.95 = 310,970.10 : x
  2. Step 2: Convert to fraction form
    675,745.32/1,013,617.95 = 310,970.10/x
  3. Step 3: Cross multiply
    675,745.32x = 1,013,617.95 × 310,970.10
  4. Step 4: Simplify right side
    675,745.32x = 315,204,875,273.30
  5. Step 5: Solve for x
    x = 315,204,875,273.30/675,745.32
  6. Step 6: Final answer
    x = 466,455.14

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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.