Home / 763,996.63-1,054,348.15-424,464.88

Finding the Fourth Proportional to 763,996.63, 1,054,348.15 and 424,464.88

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Solution

The fourth proportional to 763,996.63, 1,054,348.15 and 424,464.88 is: 585,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,996.63 : 1,054,348.15 = 424,464.88 : x
  2. Step 2: Convert to fraction form
    763,996.63/1,054,348.15 = 424,464.88/x
  3. Step 3: Cross multiply
    763,996.63x = 1,054,348.15 × 424,464.88
  4. Step 4: Simplify right side
    763,996.63x = 447,533,760,967.97
  5. Step 5: Solve for x
    x = 447,533,760,967.97/763,996.63
  6. Step 6: Final answer
    x = 585,779.76

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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.