Home / 900,766.24-1,243,073.22-492,903.84

Finding the Fourth Proportional to 900,766.24, 1,243,073.22 and 492,903.84

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Solution

The fourth proportional to 900,766.24, 1,243,073.22 and 492,903.84 is: 680,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,766.24 : 1,243,073.22 = 492,903.84 : x
  2. Step 2: Convert to fraction form
    900,766.24/1,243,073.22 = 492,903.84/x
  3. Step 3: Cross multiply
    900,766.24x = 1,243,073.22 × 492,903.84
  4. Step 4: Simplify right side
    900,766.24x = 612,715,563,539.17
  5. Step 5: Solve for x
    x = 612,715,563,539.17/900,766.24
  6. Step 6: Final answer
    x = 680,215.95

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1.5x scale

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.