Home / 909,323.72-1,363,985.34-310,284.82

Finding the Fourth Proportional to 909,323.72, 1,363,985.34 and 310,284.82

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Solution

The fourth proportional to 909,323.72, 1,363,985.34 and 310,284.82 is: 465,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,323.72 : 1,363,985.34 = 310,284.82 : x
  2. Step 2: Convert to fraction form
    909,323.72/1,363,985.34 = 310,284.82/x
  3. Step 3: Cross multiply
    909,323.72x = 1,363,985.34 × 310,284.82
  4. Step 4: Simplify right side
    909,323.72x = 423,223,945,704.54
  5. Step 5: Solve for x
    x = 423,223,945,704.54/909,323.72
  6. Step 6: Final answer
    x = 465,427.15

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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.