Home / 778,593.99-1,074,276.33-472,662.66

Finding the Fourth Proportional to 778,593.99, 1,074,276.33 and 472,662.66

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Solution

The fourth proportional to 778,593.99, 1,074,276.33 and 472,662.66 is: 652,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,593.99 : 1,074,276.33 = 472,662.66 : x
  2. Step 2: Convert to fraction form
    778,593.99/1,074,276.33 = 472,662.66/x
  3. Step 3: Cross multiply
    778,593.99x = 1,074,276.33 × 472,662.66
  4. Step 4: Simplify right side
    778,593.99x = 507,770,307,712.84
  5. Step 5: Solve for x
    x = 507,770,307,712.84/778,593.99
  6. Step 6: Final answer
    x = 652,163.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.