Home / 674,034-1,011,828.64-342,309.84

Finding the Fourth Proportional to 674,034, 1,011,828.64 and 342,309.84

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Solution

The fourth proportional to 674,034, 1,011,828.64 and 342,309.84 is: 513,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,034 : 1,011,828.64 = 342,309.84 : x
  2. Step 2: Convert to fraction form
    674,034/1,011,828.64 = 342,309.84/x
  3. Step 3: Cross multiply
    674,034x = 1,011,828.64 × 342,309.84
  4. Step 4: Simplify right side
    674,034x = 346,358,899,865.82
  5. Step 5: Solve for x
    x = 346,358,899,865.82/674,034
  6. Step 6: Final answer
    x = 513,859.69

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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.