Home / 774,612.51-1,068,997.40-430,447.15

Finding the Fourth Proportional to 774,612.51, 1,068,997.40 and 430,447.15

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Solution

The fourth proportional to 774,612.51, 1,068,997.40 and 430,447.15 is: 594,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,612.51 : 1,068,997.40 = 430,447.15 : x
  2. Step 2: Convert to fraction form
    774,612.51/1,068,997.40 = 430,447.15/x
  3. Step 3: Cross multiply
    774,612.51x = 1,068,997.40 × 430,447.15
  4. Step 4: Simplify right side
    774,612.51x = 460,146,884,187.41
  5. Step 5: Solve for x
    x = 460,146,884,187.41/774,612.51
  6. Step 6: Final answer
    x = 594,034.92

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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.