Home / 909,731.52-1,364,013.36-377,619.84

Finding the Fourth Proportional to 909,731.52, 1,364,013.36 and 377,619.84

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Solution

The fourth proportional to 909,731.52, 1,364,013.36 and 377,619.84 is: 566,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,731.52 : 1,364,013.36 = 377,619.84 : x
  2. Step 2: Convert to fraction form
    909,731.52/1,364,013.36 = 377,619.84/x
  3. Step 3: Cross multiply
    909,731.52x = 1,364,013.36 × 377,619.84
  4. Step 4: Simplify right side
    909,731.52x = 515,078,506,761.06
  5. Step 5: Solve for x
    x = 515,078,506,761.06/909,731.52
  6. Step 6: Final answer
    x = 566,187.38

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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.