Home / 761,954.22-1,051,499.70-417,795.48

Finding the Fourth Proportional to 761,954.22, 1,051,499.70 and 417,795.48

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Solution

The fourth proportional to 761,954.22, 1,051,499.70 and 417,795.48 is: 576,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,954.22 : 1,051,499.70 = 417,795.48 : x
  2. Step 2: Convert to fraction form
    761,954.22/1,051,499.70 = 417,795.48/x
  3. Step 3: Cross multiply
    761,954.22x = 1,051,499.70 × 417,795.48
  4. Step 4: Simplify right side
    761,954.22x = 439,311,821,881.36
  5. Step 5: Solve for x
    x = 439,311,821,881.36/761,954.22
  6. Step 6: Final answer
    x = 576,559.34

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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.