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Finding the Fourth Proportional to 500,588.34, 690,621.26 and 370,079.34

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Solution

The fourth proportional to 500,588.34, 690,621.26 and 370,079.34 is: 510,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,588.34 : 690,621.26 = 370,079.34 : x
  2. Step 2: Convert to fraction form
    500,588.34/690,621.26 = 370,079.34/x
  3. Step 3: Cross multiply
    500,588.34x = 690,621.26 × 370,079.34
  4. Step 4: Simplify right side
    500,588.34x = 255,584,658,240.37
  5. Step 5: Solve for x
    x = 255,584,658,240.37/500,588.34
  6. Step 6: Final answer
    x = 510,568.54

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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.