Home / 909,901.35-1,365,344.10-377,476.20

Finding the Fourth Proportional to 909,901.35, 1,365,344.10 and 377,476.20

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Solution

The fourth proportional to 909,901.35, 1,365,344.10 and 377,476.20 is: 566,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,901.35 : 1,365,344.10 = 377,476.20 : x
  2. Step 2: Convert to fraction form
    909,901.35/1,365,344.10 = 377,476.20/x
  3. Step 3: Cross multiply
    909,901.35x = 1,365,344.10 × 377,476.20
  4. Step 4: Simplify right side
    909,901.35x = 515,384,902,560.42
  5. Step 5: Solve for x
    x = 515,384,902,560.42/909,901.35
  6. Step 6: Final answer
    x = 566,418.44

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1.5x scale

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.