Home / 909,341.87-1,364,152.95-310,163.04

Finding the Fourth Proportional to 909,341.87, 1,364,152.95 and 310,163.04

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Solution

The fourth proportional to 909,341.87, 1,364,152.95 and 310,163.04 is: 465,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,341.87 : 1,364,152.95 = 310,163.04 : x
  2. Step 2: Convert to fraction form
    909,341.87/1,364,152.95 = 310,163.04/x
  3. Step 3: Cross multiply
    909,341.87x = 1,364,152.95 × 310,163.04
  4. Step 4: Simplify right side
    909,341.87x = 423,109,825,996.97
  5. Step 5: Solve for x
    x = 423,109,825,996.97/909,341.87
  6. Step 6: Final answer
    x = 465,292.36

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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.