Home / 500,247.03-690,340.10-270,804.25

Finding the Fourth Proportional to 500,247.03, 690,340.10 and 270,804.25

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Solution

The fourth proportional to 500,247.03, 690,340.10 and 270,804.25 is: 373,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,247.03 : 690,340.10 = 270,804.25 : x
  2. Step 2: Convert to fraction form
    500,247.03/690,340.10 = 270,804.25/x
  3. Step 3: Cross multiply
    500,247.03x = 690,340.10 × 270,804.25
  4. Step 4: Simplify right side
    500,247.03x = 186,947,035,980.43
  5. Step 5: Solve for x
    x = 186,947,035,980.43/500,247.03
  6. Step 6: Final answer
    x = 373,709.44

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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.