Home / 689,785.86-1,034,834.46-210,056.55

Finding the Fourth Proportional to 689,785.86, 1,034,834.46 and 210,056.55

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Solution

The fourth proportional to 689,785.86, 1,034,834.46 and 210,056.55 is: 315,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,785.86 : 1,034,834.46 = 210,056.55 : x
  2. Step 2: Convert to fraction form
    689,785.86/1,034,834.46 = 210,056.55/x
  3. Step 3: Cross multiply
    689,785.86x = 1,034,834.46 × 210,056.55
  4. Step 4: Simplify right side
    689,785.86x = 217,373,756,488.71
  5. Step 5: Solve for x
    x = 217,373,756,488.71/689,785.86
  6. Step 6: Final answer
    x = 315,132.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.