Home / 659,131.56-908,946.58-496,178.20

Finding the Fourth Proportional to 659,131.56, 908,946.58 and 496,178.20

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Solution

The fourth proportional to 659,131.56, 908,946.58 and 496,178.20 is: 684,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,131.56 : 908,946.58 = 496,178.20 : x
  2. Step 2: Convert to fraction form
    659,131.56/908,946.58 = 496,178.20/x
  3. Step 3: Cross multiply
    659,131.56x = 908,946.58 × 496,178.20
  4. Step 4: Simplify right side
    659,131.56x = 450,999,477,960.56
  5. Step 5: Solve for x
    x = 450,999,477,960.56/659,131.56
  6. Step 6: Final answer
    x = 684,232.87

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Double scale
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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.