Home / 839,029.48-1,157,878.56-457,055.44

Finding the Fourth Proportional to 839,029.48, 1,157,878.56 and 457,055.44

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Solution

The fourth proportional to 839,029.48, 1,157,878.56 and 457,055.44 is: 630,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,029.48 : 1,157,878.56 = 457,055.44 : x
  2. Step 2: Convert to fraction form
    839,029.48/1,157,878.56 = 457,055.44/x
  3. Step 3: Cross multiply
    839,029.48x = 1,157,878.56 × 457,055.44
  4. Step 4: Simplify right side
    839,029.48x = 529,214,694,707.37
  5. Step 5: Solve for x
    x = 529,214,694,707.37/839,029.48
  6. Step 6: Final answer
    x = 630,746.25

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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.