Home / 839,004.76-1,157,828.66-457,034.32

Finding the Fourth Proportional to 839,004.76, 1,157,828.66 and 457,034.32

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Solution

The fourth proportional to 839,004.76, 1,157,828.66 and 457,034.32 is: 630,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,004.76 : 1,157,828.66 = 457,034.32 : x
  2. Step 2: Convert to fraction form
    839,004.76/1,157,828.66 = 457,034.32/x
  3. Step 3: Cross multiply
    839,004.76x = 1,157,828.66 × 457,034.32
  4. Step 4: Simplify right side
    839,004.76x = 529,167,434,299.61
  5. Step 5: Solve for x
    x = 529,167,434,299.61/839,004.76
  6. Step 6: Final answer
    x = 630,708.50

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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.