Home / 909,154.44-1,364,124.96-487,938.24

Finding the Fourth Proportional to 909,154.44, 1,364,124.96 and 487,938.24

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Solution

The fourth proportional to 909,154.44, 1,364,124.96 and 487,938.24 is: 732,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,154.44 : 1,364,124.96 = 487,938.24 : x
  2. Step 2: Convert to fraction form
    909,154.44/1,364,124.96 = 487,938.24/x
  3. Step 3: Cross multiply
    909,154.44x = 1,364,124.96 × 487,938.24
  4. Step 4: Simplify right side
    909,154.44x = 665,608,732,122.47
  5. Step 5: Solve for x
    x = 665,608,732,122.47/909,154.44
  6. Step 6: Final answer
    x = 732,118.44

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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.