Home / 673,838.70-1,010,758.05-358,910.70

Finding the Fourth Proportional to 673,838.70, 1,010,758.05 and 358,910.70

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Solution

The fourth proportional to 673,838.70, 1,010,758.05 and 358,910.70 is: 538,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,838.70 : 1,010,758.05 = 358,910.70 : x
  2. Step 2: Convert to fraction form
    673,838.70/1,010,758.05 = 358,910.70/x
  3. Step 3: Cross multiply
    673,838.70x = 1,010,758.05 × 358,910.70
  4. Step 4: Simplify right side
    673,838.70x = 362,771,879,256.14
  5. Step 5: Solve for x
    x = 362,771,879,256.14/673,838.70
  6. Step 6: Final answer
    x = 538,366.05

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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.