Home / 549,826.20-824,739.30-501,110.78

Finding the Fourth Proportional to 549,826.20, 824,739.30 and 501,110.78

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Solution

The fourth proportional to 549,826.20, 824,739.30 and 501,110.78 is: 751,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,826.20 : 824,739.30 = 501,110.78 : x
  2. Step 2: Convert to fraction form
    549,826.20/824,739.30 = 501,110.78/x
  3. Step 3: Cross multiply
    549,826.20x = 824,739.30 × 501,110.78
  4. Step 4: Simplify right side
    549,826.20x = 413,285,749,795.96
  5. Step 5: Solve for x
    x = 413,285,749,795.96/549,826.20
  6. Step 6: Final answer
    x = 751,666.16

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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.