Home / 840,484.08-1,159,709.40-500,983.92

Finding the Fourth Proportional to 840,484.08, 1,159,709.40 and 500,983.92

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Solution

The fourth proportional to 840,484.08, 1,159,709.40 and 500,983.92 is: 691,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,484.08 : 1,159,709.40 = 500,983.92 : x
  2. Step 2: Convert to fraction form
    840,484.08/1,159,709.40 = 500,983.92/x
  3. Step 3: Cross multiply
    840,484.08x = 1,159,709.40 × 500,983.92
  4. Step 4: Simplify right side
    840,484.08x = 580,995,761,272.85
  5. Step 5: Solve for x
    x = 580,995,761,272.85/840,484.08
  6. Step 6: Final answer
    x = 691,263.26

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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.