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Finding the Fourth Proportional to 543,995.51, 750,730.71 and 298,975.82

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Solution

The fourth proportional to 543,995.51, 750,730.71 and 298,975.82 is: 412,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,995.51 : 750,730.71 = 298,975.82 : x
  2. Step 2: Convert to fraction form
    543,995.51/750,730.71 = 298,975.82/x
  3. Step 3: Cross multiply
    543,995.51x = 750,730.71 × 298,975.82
  4. Step 4: Simplify right side
    543,995.51x = 224,450,329,621.43
  5. Step 5: Solve for x
    x = 224,450,329,621.43/543,995.51
  6. Step 6: Final answer
    x = 412,595.92

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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.