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Finding the Fourth Proportional to 580,646.84, 801,305.32 and 319,005.52

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Solution

The fourth proportional to 580,646.84, 801,305.32 and 319,005.52 is: 440,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,646.84 : 801,305.32 = 319,005.52 : x
  2. Step 2: Convert to fraction form
    580,646.84/801,305.32 = 319,005.52/x
  3. Step 3: Cross multiply
    580,646.84x = 801,305.32 × 319,005.52
  4. Step 4: Simplify right side
    580,646.84x = 255,620,820,285.37
  5. Step 5: Solve for x
    x = 255,620,820,285.37/580,646.84
  6. Step 6: Final answer
    x = 440,234.58

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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.