Home / 673,947.90-928,467.51-469,628.04

Finding the Fourth Proportional to 673,947.90, 928,467.51 and 469,628.04

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Solution

The fourth proportional to 673,947.90, 928,467.51 and 469,628.04 is: 646,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,947.90 : 928,467.51 = 469,628.04 : x
  2. Step 2: Convert to fraction form
    673,947.90/928,467.51 = 469,628.04/x
  3. Step 3: Cross multiply
    673,947.90x = 928,467.51 × 469,628.04
  4. Step 4: Simplify right side
    673,947.90x = 436,034,376,924.98
  5. Step 5: Solve for x
    x = 436,034,376,924.98/673,947.90
  6. Step 6: Final answer
    x = 646,985.29

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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.