Home / 843,429.40-1,163,961.64-461,456.20

Finding the Fourth Proportional to 843,429.40, 1,163,961.64 and 461,456.20

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Solution

The fourth proportional to 843,429.40, 1,163,961.64 and 461,456.20 is: 636,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,429.40 : 1,163,961.64 = 461,456.20 : x
  2. Step 2: Convert to fraction form
    843,429.40/1,163,961.64 = 461,456.20/x
  3. Step 3: Cross multiply
    843,429.40x = 1,163,961.64 × 461,456.20
  4. Step 4: Simplify right side
    843,429.40x = 537,117,315,340.17
  5. Step 5: Solve for x
    x = 537,117,315,340.17/843,429.40
  6. Step 6: Final answer
    x = 636,825.46

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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.