Home / 798,380.74-1,197,814.72-478,887.38

Finding the Fourth Proportional to 798,380.74, 1,197,814.72 and 478,887.38

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Solution

The fourth proportional to 798,380.74, 1,197,814.72 and 478,887.38 is: 718,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,380.74 : 1,197,814.72 = 478,887.38 : x
  2. Step 2: Convert to fraction form
    798,380.74/1,197,814.72 = 478,887.38/x
  3. Step 3: Cross multiply
    798,380.74x = 1,197,814.72 × 478,887.38
  4. Step 4: Simplify right side
    798,380.74x = 573,618,352,986.23
  5. Step 5: Solve for x
    x = 573,618,352,986.23/798,380.74
  6. Step 6: Final answer
    x = 718,477.19

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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.