Home / 433,559.31-649,497.33-319,500.09

Finding the Fourth Proportional to 433,559.31, 649,497.33 and 319,500.09

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Solution

The fourth proportional to 433,559.31, 649,497.33 and 319,500.09 is: 478,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,559.31 : 649,497.33 = 319,500.09 : x
  2. Step 2: Convert to fraction form
    433,559.31/649,497.33 = 319,500.09/x
  3. Step 3: Cross multiply
    433,559.31x = 649,497.33 × 319,500.09
  4. Step 4: Simplify right side
    433,559.31x = 207,514,455,389.76
  5. Step 5: Solve for x
    x = 207,514,455,389.76/433,559.31
  6. Step 6: Final answer
    x = 478,629.91

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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.