Home / 846,065.26-1,269,311.73-390,437.02

Finding the Fourth Proportional to 846,065.26, 1,269,311.73 and 390,437.02

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Solution

The fourth proportional to 846,065.26, 1,269,311.73 and 390,437.02 is: 585,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,065.26 : 1,269,311.73 = 390,437.02 : x
  2. Step 2: Convert to fraction form
    846,065.26/1,269,311.73 = 390,437.02/x
  3. Step 3: Cross multiply
    846,065.26x = 1,269,311.73 × 390,437.02
  4. Step 4: Simplify right side
    846,065.26x = 495,586,289,312.25
  5. Step 5: Solve for x
    x = 495,586,289,312.25/846,065.26
  6. Step 6: Final answer
    x = 585,754.21

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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.