Home / 680,348.03-1,020,752.62-301,216.46

Finding the Fourth Proportional to 680,348.03, 1,020,752.62 and 301,216.46

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Solution

The fourth proportional to 680,348.03, 1,020,752.62 and 301,216.46 is: 451,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,348.03 : 1,020,752.62 = 301,216.46 : x
  2. Step 2: Convert to fraction form
    680,348.03/1,020,752.62 = 301,216.46/x
  3. Step 3: Cross multiply
    680,348.03x = 1,020,752.62 × 301,216.46
  4. Step 4: Simplify right side
    680,348.03x = 307,467,484,875.32
  5. Step 5: Solve for x
    x = 307,467,484,875.32/680,348.03
  6. Step 6: Final answer
    x = 451,926.77

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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.