Home / 674,400.52-1,011,758.46-358,785.64

Finding the Fourth Proportional to 674,400.52, 1,011,758.46 and 358,785.64

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Solution

The fourth proportional to 674,400.52, 1,011,758.46 and 358,785.64 is: 538,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,400.52 : 1,011,758.46 = 358,785.64 : x
  2. Step 2: Convert to fraction form
    674,400.52/1,011,758.46 = 358,785.64/x
  3. Step 3: Cross multiply
    674,400.52x = 1,011,758.46 × 358,785.64
  4. Step 4: Simplify right side
    674,400.52x = 363,004,406,596.51
  5. Step 5: Solve for x
    x = 363,004,406,596.51/674,400.52
  6. Step 6: Final answer
    x = 538,262.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.