Home / 497,437.86-684,890.29-451,979.78

Finding the Fourth Proportional to 497,437.86, 684,890.29 and 451,979.78

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Solution

The fourth proportional to 497,437.86, 684,890.29 and 451,979.78 is: 622,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,437.86 : 684,890.29 = 451,979.78 : x
  2. Step 2: Convert to fraction form
    497,437.86/684,890.29 = 451,979.78/x
  3. Step 3: Cross multiply
    497,437.86x = 684,890.29 × 451,979.78
  4. Step 4: Simplify right side
    497,437.86x = 309,556,562,598.34
  5. Step 5: Solve for x
    x = 309,556,562,598.34/497,437.86
  6. Step 6: Final answer
    x = 622,301.97

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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.