Home / 492,439.53-679,566.74-266,085.03

Finding the Fourth Proportional to 492,439.53, 679,566.74 and 266,085.03

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Solution

The fourth proportional to 492,439.53, 679,566.74 and 266,085.03 is: 367,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,439.53 : 679,566.74 = 266,085.03 : x
  2. Step 2: Convert to fraction form
    492,439.53/679,566.74 = 266,085.03/x
  3. Step 3: Cross multiply
    492,439.53x = 679,566.74 × 266,085.03
  4. Step 4: Simplify right side
    492,439.53x = 180,822,536,399.90
  5. Step 5: Solve for x
    x = 180,822,536,399.90/492,439.53
  6. Step 6: Final answer
    x = 367,197.44

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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.