Home / 748,579.30-1,122,869.32-208,813.77

Finding the Fourth Proportional to 748,579.30, 1,122,869.32 and 208,813.77

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Solution

The fourth proportional to 748,579.30, 1,122,869.32 and 208,813.77 is: 313,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,579.30 : 1,122,869.32 = 208,813.77 : x
  2. Step 2: Convert to fraction form
    748,579.30/1,122,869.32 = 208,813.77/x
  3. Step 3: Cross multiply
    748,579.30x = 1,122,869.32 × 208,813.77
  4. Step 4: Simplify right side
    748,579.30x = 234,470,575,404.50
  5. Step 5: Solve for x
    x = 234,470,575,404.50/748,579.30
  6. Step 6: Final answer
    x = 313,220.76

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1.5x scale

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.