Home / 908,717.09-1,254,025.46-500,818.04

Finding the Fourth Proportional to 908,717.09, 1,254,025.46 and 500,818.04

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Solution

The fourth proportional to 908,717.09, 1,254,025.46 and 500,818.04 is: 691,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,717.09 : 1,254,025.46 = 500,818.04 : x
  2. Step 2: Convert to fraction form
    908,717.09/1,254,025.46 = 500,818.04/x
  3. Step 3: Cross multiply
    908,717.09x = 1,254,025.46 × 500,818.04
  4. Step 4: Simplify right side
    908,717.09x = 628,038,564,213.08
  5. Step 5: Solve for x
    x = 628,038,564,213.08/908,717.09
  6. Step 6: Final answer
    x = 691,126.62

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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.