Home / 771,345.83-1,157,159.14-265,979.27

Finding the Fourth Proportional to 771,345.83, 1,157,159.14 and 265,979.27

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Solution

The fourth proportional to 771,345.83, 1,157,159.14 and 265,979.27 is: 399,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,345.83 : 1,157,159.14 = 265,979.27 : x
  2. Step 2: Convert to fraction form
    771,345.83/1,157,159.14 = 265,979.27/x
  3. Step 3: Cross multiply
    771,345.83x = 1,157,159.14 × 265,979.27
  4. Step 4: Simplify right side
    771,345.83x = 307,780,336,880.28
  5. Step 5: Solve for x
    x = 307,780,336,880.28/771,345.83
  6. Step 6: Final answer
    x = 399,017.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.