Home / 657,479.06-985,395.32-353,125.29

Finding the Fourth Proportional to 657,479.06, 985,395.32 and 353,125.29

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Solution

The fourth proportional to 657,479.06, 985,395.32 and 353,125.29 is: 529,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,479.06 : 985,395.32 = 353,125.29 : x
  2. Step 2: Convert to fraction form
    657,479.06/985,395.32 = 353,125.29/x
  3. Step 3: Cross multiply
    657,479.06x = 985,395.32 × 353,125.29
  4. Step 4: Simplify right side
    657,479.06x = 347,968,006,374.02
  5. Step 5: Solve for x
    x = 347,968,006,374.02/657,479.06
  6. Step 6: Final answer
    x = 529,245.77

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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.