Home / 839,054.66-1,157,930.72-457,102.40

Finding the Fourth Proportional to 839,054.66, 1,157,930.72 and 457,102.40

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Solution

The fourth proportional to 839,054.66, 1,157,930.72 and 457,102.40 is: 630,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,054.66 : 1,157,930.72 = 457,102.40 : x
  2. Step 2: Convert to fraction form
    839,054.66/1,157,930.72 = 457,102.40/x
  3. Step 3: Cross multiply
    839,054.66x = 1,157,930.72 × 457,102.40
  4. Step 4: Simplify right side
    839,054.66x = 529,292,903,070.56
  5. Step 5: Solve for x
    x = 529,292,903,070.56/839,054.66
  6. Step 6: Final answer
    x = 630,820.53

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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.