Home / 909,756.28-1,363,960.50-435,990.52

Finding the Fourth Proportional to 909,756.28, 1,363,960.50 and 435,990.52

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Solution

The fourth proportional to 909,756.28, 1,363,960.50 and 435,990.52 is: 653,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,756.28 : 1,363,960.50 = 435,990.52 : x
  2. Step 2: Convert to fraction form
    909,756.28/1,363,960.50 = 435,990.52/x
  3. Step 3: Cross multiply
    909,756.28x = 1,363,960.50 × 435,990.52
  4. Step 4: Simplify right side
    909,756.28x = 594,673,847,654.46
  5. Step 5: Solve for x
    x = 594,673,847,654.46/909,756.28
  6. Step 6: Final answer
    x = 653,662.81

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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.