Home / 804,779.52-1,110,519.36-482,429.76

Finding the Fourth Proportional to 804,779.52, 1,110,519.36 and 482,429.76

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Solution

The fourth proportional to 804,779.52, 1,110,519.36 and 482,429.76 is: 665,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,779.52 : 1,110,519.36 = 482,429.76 : x
  2. Step 2: Convert to fraction form
    804,779.52/1,110,519.36 = 482,429.76/x
  3. Step 3: Cross multiply
    804,779.52x = 1,110,519.36 × 482,429.76
  4. Step 4: Simplify right side
    804,779.52x = 535,747,588,320.15
  5. Step 5: Solve for x
    x = 535,747,588,320.15/804,779.52
  6. Step 6: Final answer
    x = 665,707.28

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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.