Home / 898,429.20-1,347,643.80-763,126.80

Finding the Fourth Proportional to 898,429.20, 1,347,643.80 and 763,126.80

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Solution

The fourth proportional to 898,429.20, 1,347,643.80 and 763,126.80 is: 1,144,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,429.20 : 1,347,643.80 = 763,126.80 : x
  2. Step 2: Convert to fraction form
    898,429.20/1,347,643.80 = 763,126.80/x
  3. Step 3: Cross multiply
    898,429.20x = 1,347,643.80 × 763,126.80
  4. Step 4: Simplify right side
    898,429.20x = 1,028,423,100,633.84
  5. Step 5: Solve for x
    x = 1,028,423,100,633.84/898,429.20
  6. Step 6: Final answer
    x = 1,144,690.20

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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.