Home / 579,066.74-799,117.78-320,949.32

Finding the Fourth Proportional to 579,066.74, 799,117.78 and 320,949.32

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Solution

The fourth proportional to 579,066.74, 799,117.78 and 320,949.32 is: 442,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,066.74 : 799,117.78 = 320,949.32 : x
  2. Step 2: Convert to fraction form
    579,066.74/799,117.78 = 320,949.32/x
  3. Step 3: Cross multiply
    579,066.74x = 799,117.78 × 320,949.32
  4. Step 4: Simplify right side
    579,066.74x = 256,476,308,090.91
  5. Step 5: Solve for x
    x = 256,476,308,090.91/579,066.74
  6. Step 6: Final answer
    x = 442,913.21

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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.