Home / 774,637.58-1,068,971.42-430,494.90

Finding the Fourth Proportional to 774,637.58, 1,068,971.42 and 430,494.90

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Solution

The fourth proportional to 774,637.58, 1,068,971.42 and 430,494.90 is: 594,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,637.58 : 1,068,971.42 = 430,494.90 : x
  2. Step 2: Convert to fraction form
    774,637.58/1,068,971.42 = 430,494.90/x
  3. Step 3: Cross multiply
    774,637.58x = 1,068,971.42 × 430,494.90
  4. Step 4: Simplify right side
    774,637.58x = 460,186,742,403.28
  5. Step 5: Solve for x
    x = 460,186,742,403.28/774,637.58
  6. Step 6: Final answer
    x = 594,067.16

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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.