Home / 980,913.78-1,353,617.46-573,053.40

Finding the Fourth Proportional to 980,913.78, 1,353,617.46 and 573,053.40

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Solution

The fourth proportional to 980,913.78, 1,353,617.46 and 573,053.40 is: 790,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,913.78 : 1,353,617.46 = 573,053.40 : x
  2. Step 2: Convert to fraction form
    980,913.78/1,353,617.46 = 573,053.40/x
  3. Step 3: Cross multiply
    980,913.78x = 1,353,617.46 × 573,053.40
  4. Step 4: Simplify right side
    980,913.78x = 775,695,087,752.36
  5. Step 5: Solve for x
    x = 775,695,087,752.36/980,913.78
  6. Step 6: Final answer
    x = 790,788.25

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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.