Home / 803,483.90-1,205,563.89-500,131.74

Finding the Fourth Proportional to 803,483.90, 1,205,563.89 and 500,131.74

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Solution

The fourth proportional to 803,483.90, 1,205,563.89 and 500,131.74 is: 750,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,483.90 : 1,205,563.89 = 500,131.74 : x
  2. Step 2: Convert to fraction form
    803,483.90/1,205,563.89 = 500,131.74/x
  3. Step 3: Cross multiply
    803,483.90x = 1,205,563.89 × 500,131.74
  4. Step 4: Simplify right side
    803,483.90x = 602,940,765,986.87
  5. Step 5: Solve for x
    x = 602,940,765,986.87/803,483.90
  6. Step 6: Final answer
    x = 750,408.02

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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.