Home / 683,601.45-1,025,621.23-478,649.59

Finding the Fourth Proportional to 683,601.45, 1,025,621.23 and 478,649.59

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Solution

The fourth proportional to 683,601.45, 1,025,621.23 and 478,649.59 is: 718,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,601.45 : 1,025,621.23 = 478,649.59 : x
  2. Step 2: Convert to fraction form
    683,601.45/1,025,621.23 = 478,649.59/x
  3. Step 3: Cross multiply
    683,601.45x = 1,025,621.23 × 478,649.59
  4. Step 4: Simplify right side
    683,601.45x = 490,913,185,338.15
  5. Step 5: Solve for x
    x = 490,913,185,338.15/683,601.45
  6. Step 6: Final answer
    x = 718,127.77

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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.