Home / 738,143.66-1,106,821.82-382,275.02

Finding the Fourth Proportional to 738,143.66, 1,106,821.82 and 382,275.02

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Solution

The fourth proportional to 738,143.66, 1,106,821.82 and 382,275.02 is: 573,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,143.66 : 1,106,821.82 = 382,275.02 : x
  2. Step 2: Convert to fraction form
    738,143.66/1,106,821.82 = 382,275.02/x
  3. Step 3: Cross multiply
    738,143.66x = 1,106,821.82 × 382,275.02
  4. Step 4: Simplify right side
    738,143.66x = 423,110,333,376.94
  5. Step 5: Solve for x
    x = 423,110,333,376.94/738,143.66
  6. Step 6: Final answer
    x = 573,208.65

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1.5x scale

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.