Home / 963,631.49-1,329,810.82-555,727.43

Finding the Fourth Proportional to 963,631.49, 1,329,810.82 and 555,727.43

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Solution

The fourth proportional to 963,631.49, 1,329,810.82 and 555,727.43 is: 766,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,631.49 : 1,329,810.82 = 555,727.43 : x
  2. Step 2: Convert to fraction form
    963,631.49/1,329,810.82 = 555,727.43/x
  3. Step 3: Cross multiply
    963,631.49x = 1,329,810.82 × 555,727.43
  4. Step 4: Simplify right side
    963,631.49x = 739,012,351,320.00
  5. Step 5: Solve for x
    x = 739,012,351,320.00/963,631.49
  6. Step 6: Final answer
    x = 766,903.49

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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.