Home / 646,922.20-970,383.30-604,931.80

Finding the Fourth Proportional to 646,922.20, 970,383.30 and 604,931.80

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Solution

The fourth proportional to 646,922.20, 970,383.30 and 604,931.80 is: 907,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,922.20 : 970,383.30 = 604,931.80 : x
  2. Step 2: Convert to fraction form
    646,922.20/970,383.30 = 604,931.80/x
  3. Step 3: Cross multiply
    646,922.20x = 970,383.30 × 604,931.80
  4. Step 4: Simplify right side
    646,922.20x = 587,015,716,358.94
  5. Step 5: Solve for x
    x = 587,015,716,358.94/646,922.20
  6. Step 6: Final answer
    x = 907,397.70

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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.