Home / 843,428.40-1,163,960.26-461,455.20

Finding the Fourth Proportional to 843,428.40, 1,163,960.26 and 461,455.20

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Solution

The fourth proportional to 843,428.40, 1,163,960.26 and 461,455.20 is: 636,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,428.40 : 1,163,960.26 = 461,455.20 : x
  2. Step 2: Convert to fraction form
    843,428.40/1,163,960.26 = 461,455.20/x
  3. Step 3: Cross multiply
    843,428.40x = 1,163,960.26 × 461,455.20
  4. Step 4: Simplify right side
    843,428.40x = 537,115,514,570.35
  5. Step 5: Solve for x
    x = 537,115,514,570.35/843,428.40
  6. Step 6: Final answer
    x = 636,824.08

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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.