Home / 898,288.90-1,347,433.35-809,715.40

Finding the Fourth Proportional to 898,288.90, 1,347,433.35 and 809,715.40

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Solution

The fourth proportional to 898,288.90, 1,347,433.35 and 809,715.40 is: 1,214,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,288.90 : 1,347,433.35 = 809,715.40 : x
  2. Step 2: Convert to fraction form
    898,288.90/1,347,433.35 = 809,715.40/x
  3. Step 3: Cross multiply
    898,288.90x = 1,347,433.35 × 809,715.40
  4. Step 4: Simplify right side
    898,288.90x = 1,091,037,533,968.59
  5. Step 5: Solve for x
    x = 1,091,037,533,968.59/898,288.90
  6. Step 6: Final answer
    x = 1,214,573.10

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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.