Home / 555,719.47-766,893.68-301,070.65

Finding the Fourth Proportional to 555,719.47, 766,893.68 and 301,070.65

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Solution

The fourth proportional to 555,719.47, 766,893.68 and 301,070.65 is: 415,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,719.47 : 766,893.68 = 301,070.65 : x
  2. Step 2: Convert to fraction form
    555,719.47/766,893.68 = 301,070.65/x
  3. Step 3: Cross multiply
    555,719.47x = 766,893.68 × 301,070.65
  4. Step 4: Simplify right side
    555,719.47x = 230,889,178,718.49
  5. Step 5: Solve for x
    x = 230,889,178,718.49/555,719.47
  6. Step 6: Final answer
    x = 415,477.94

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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.