Home / 909,433.98-1,363,775.63-310,443.43

Finding the Fourth Proportional to 909,433.98, 1,363,775.63 and 310,443.43

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Solution

The fourth proportional to 909,433.98, 1,363,775.63 and 310,443.43 is: 465,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,433.98 : 1,363,775.63 = 310,443.43 : x
  2. Step 2: Convert to fraction form
    909,433.98/1,363,775.63 = 310,443.43/x
  3. Step 3: Cross multiply
    909,433.98x = 1,363,775.63 × 310,443.43
  4. Step 4: Simplify right side
    909,433.98x = 423,375,182,775.39
  5. Step 5: Solve for x
    x = 423,375,182,775.39/909,433.98
  6. Step 6: Final answer
    x = 465,537.02

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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.