Home / 859,557.04-1,287,563.89-503,491.58

Finding the Fourth Proportional to 859,557.04, 1,287,563.89 and 503,491.58

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Solution

The fourth proportional to 859,557.04, 1,287,563.89 and 503,491.58 is: 754,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,557.04 : 1,287,563.89 = 503,491.58 : x
  2. Step 2: Convert to fraction form
    859,557.04/1,287,563.89 = 503,491.58/x
  3. Step 3: Cross multiply
    859,557.04x = 1,287,563.89 × 503,491.58
  4. Step 4: Simplify right side
    859,557.04x = 648,277,577,327.05
  5. Step 5: Solve for x
    x = 648,277,577,327.05/859,557.04
  6. Step 6: Final answer
    x = 754,199.60

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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.