Home / 761,867.96-1,051,389.64-417,735.32

Finding the Fourth Proportional to 761,867.96, 1,051,389.64 and 417,735.32

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Solution

The fourth proportional to 761,867.96, 1,051,389.64 and 417,735.32 is: 576,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,867.96 : 1,051,389.64 = 417,735.32 : x
  2. Step 2: Convert to fraction form
    761,867.96/1,051,389.64 = 417,735.32/x
  3. Step 3: Cross multiply
    761,867.96x = 1,051,389.64 × 417,735.32
  4. Step 4: Simplify right side
    761,867.96x = 439,202,587,710.09
  5. Step 5: Solve for x
    x = 439,202,587,710.09/761,867.96
  6. Step 6: Final answer
    x = 576,481.24

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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.