Home / 540,666.47-746,089.58-298,934.52

Finding the Fourth Proportional to 540,666.47, 746,089.58 and 298,934.52

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Solution

The fourth proportional to 540,666.47, 746,089.58 and 298,934.52 is: 412,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,666.47 : 746,089.58 = 298,934.52 : x
  2. Step 2: Convert to fraction form
    540,666.47/746,089.58 = 298,934.52/x
  3. Step 3: Cross multiply
    540,666.47x = 746,089.58 × 298,934.52
  4. Step 4: Simplify right side
    540,666.47x = 223,031,928,979.63
  5. Step 5: Solve for x
    x = 223,031,928,979.63/540,666.47
  6. Step 6: Final answer
    x = 412,512.97

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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.