Home / 683,315.20-1,025,126.40-210,022.40

Finding the Fourth Proportional to 683,315.20, 1,025,126.40 and 210,022.40

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Solution

The fourth proportional to 683,315.20, 1,025,126.40 and 210,022.40 is: 315,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315.20 : 1,025,126.40 = 210,022.40 : x
  2. Step 2: Convert to fraction form
    683,315.20/1,025,126.40 = 210,022.40/x
  3. Step 3: Cross multiply
    683,315.20x = 1,025,126.40 × 210,022.40
  4. Step 4: Simplify right side
    683,315.20x = 215,299,506,831.36
  5. Step 5: Solve for x
    x = 215,299,506,831.36/683,315.20
  6. Step 6: Final answer
    x = 315,080.81

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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.