Home / 510,557.04-704,110.32-319,588.20

Finding the Fourth Proportional to 510,557.04, 704,110.32 and 319,588.20

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Solution

The fourth proportional to 510,557.04, 704,110.32 and 319,588.20 is: 440,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,557.04 : 704,110.32 = 319,588.20 : x
  2. Step 2: Convert to fraction form
    510,557.04/704,110.32 = 319,588.20/x
  3. Step 3: Cross multiply
    510,557.04x = 704,110.32 × 319,588.20
  4. Step 4: Simplify right side
    510,557.04x = 225,025,349,770.22
  5. Step 5: Solve for x
    x = 225,025,349,770.22/510,557.04
  6. Step 6: Final answer
    x = 440,744.78

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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.