Home / 774,631.83-1,068,963.48-430,489.15

Finding the Fourth Proportional to 774,631.83, 1,068,963.48 and 430,489.15

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Solution

The fourth proportional to 774,631.83, 1,068,963.48 and 430,489.15 is: 594,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,631.83 : 1,068,963.48 = 430,489.15 : x
  2. Step 2: Convert to fraction form
    774,631.83/1,068,963.48 = 430,489.15/x
  3. Step 3: Cross multiply
    774,631.83x = 1,068,963.48 × 430,489.15
  4. Step 4: Simplify right side
    774,631.83x = 460,177,179,886.24
  5. Step 5: Solve for x
    x = 460,177,179,886.24/774,631.83
  6. Step 6: Final answer
    x = 594,059.22

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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.