Home / 753,164.58-1,039,384.79-430,904.66

Finding the Fourth Proportional to 753,164.58, 1,039,384.79 and 430,904.66

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Solution

The fourth proportional to 753,164.58, 1,039,384.79 and 430,904.66 is: 594,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,164.58 : 1,039,384.79 = 430,904.66 : x
  2. Step 2: Convert to fraction form
    753,164.58/1,039,384.79 = 430,904.66/x
  3. Step 3: Cross multiply
    753,164.58x = 1,039,384.79 × 430,904.66
  4. Step 4: Simplify right side
    753,164.58x = 447,875,749,544.12
  5. Step 5: Solve for x
    x = 447,875,749,544.12/753,164.58
  6. Step 6: Final answer
    x = 594,658.54

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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.