Home / 769,745.07-1,154,805.30-542,483.64

Finding the Fourth Proportional to 769,745.07, 1,154,805.30 and 542,483.64

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Solution

The fourth proportional to 769,745.07, 1,154,805.30 and 542,483.64 is: 813,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,745.07 : 1,154,805.30 = 542,483.64 : x
  2. Step 2: Convert to fraction form
    769,745.07/1,154,805.30 = 542,483.64/x
  3. Step 3: Cross multiply
    769,745.07x = 1,154,805.30 × 542,483.64
  4. Step 4: Simplify right side
    769,745.07x = 626,462,982,635.29
  5. Step 5: Solve for x
    x = 626,462,982,635.29/769,745.07
  6. Step 6: Final answer
    x = 813,857.74

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1.5x scale

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.