Home / 839,052.81-1,157,882.40-457,071.39

Finding the Fourth Proportional to 839,052.81, 1,157,882.40 and 457,071.39

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Solution

The fourth proportional to 839,052.81, 1,157,882.40 and 457,071.39 is: 630,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,052.81 : 1,157,882.40 = 457,071.39 : x
  2. Step 2: Convert to fraction form
    839,052.81/1,157,882.40 = 457,071.39/x
  3. Step 3: Cross multiply
    839,052.81x = 1,157,882.40 × 457,071.39
  4. Step 4: Simplify right side
    839,052.81x = 529,234,918,024.54
  5. Step 5: Solve for x
    x = 529,234,918,024.54/839,052.81
  6. Step 6: Final answer
    x = 630,752.81

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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.