Home / 908,738.40-1,254,002.40-500,817.54

Finding the Fourth Proportional to 908,738.40, 1,254,002.40 and 500,817.54

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Solution

The fourth proportional to 908,738.40, 1,254,002.40 and 500,817.54 is: 691,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,738.40 : 1,254,002.40 = 500,817.54 : x
  2. Step 2: Convert to fraction form
    908,738.40/1,254,002.40 = 500,817.54/x
  3. Step 3: Cross multiply
    908,738.40x = 1,254,002.40 × 500,817.54
  4. Step 4: Simplify right side
    908,738.40x = 628,026,397,122.10
  5. Step 5: Solve for x
    x = 628,026,397,122.10/908,738.40
  6. Step 6: Final answer
    x = 691,097.02

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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.