Home / 840,484.58-1,159,710.09-500,984.42

Finding the Fourth Proportional to 840,484.58, 1,159,710.09 and 500,984.42

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Solution

The fourth proportional to 840,484.58, 1,159,710.09 and 500,984.42 is: 691,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,484.58 : 1,159,710.09 = 500,984.42 : x
  2. Step 2: Convert to fraction form
    840,484.58/1,159,710.09 = 500,984.42/x
  3. Step 3: Cross multiply
    840,484.58x = 1,159,710.09 × 500,984.42
  4. Step 4: Simplify right side
    840,484.58x = 580,996,686,806.80
  5. Step 5: Solve for x
    x = 580,996,686,806.80/840,484.58
  6. Step 6: Final answer
    x = 691,263.95

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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.