Home / 839,001.76-1,157,824.52-457,031.32

Finding the Fourth Proportional to 839,001.76, 1,157,824.52 and 457,031.32

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Solution

The fourth proportional to 839,001.76, 1,157,824.52 and 457,031.32 is: 630,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,001.76 : 1,157,824.52 = 457,031.32 : x
  2. Step 2: Convert to fraction form
    839,001.76/1,157,824.52 = 457,031.32/x
  3. Step 3: Cross multiply
    839,001.76x = 1,157,824.52 × 457,031.32
  4. Step 4: Simplify right side
    839,001.76x = 529,162,066,418.81
  5. Step 5: Solve for x
    x = 529,162,066,418.81/839,001.76
  6. Step 6: Final answer
    x = 630,704.36

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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.