Home / 909,176.16-1,363,616.82-429,403.44

Finding the Fourth Proportional to 909,176.16, 1,363,616.82 and 429,403.44

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Solution

The fourth proportional to 909,176.16, 1,363,616.82 and 429,403.44 is: 644,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,176.16 : 1,363,616.82 = 429,403.44 : x
  2. Step 2: Convert to fraction form
    909,176.16/1,363,616.82 = 429,403.44/x
  3. Step 3: Cross multiply
    909,176.16x = 1,363,616.82 × 429,403.44
  4. Step 4: Simplify right side
    909,176.16x = 585,541,753,349.86
  5. Step 5: Solve for x
    x = 585,541,753,349.86/909,176.16
  6. Step 6: Final answer
    x = 644,035.53

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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.