Home / 743,177.46-1,026,009.84-489,266.76

Finding the Fourth Proportional to 743,177.46, 1,026,009.84 and 489,266.76

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Solution

The fourth proportional to 743,177.46, 1,026,009.84 and 489,266.76 is: 675,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,177.46 : 1,026,009.84 = 489,266.76 : x
  2. Step 2: Convert to fraction form
    743,177.46/1,026,009.84 = 489,266.76/x
  3. Step 3: Cross multiply
    743,177.46x = 1,026,009.84 × 489,266.76
  4. Step 4: Simplify right side
    743,177.46x = 501,992,510,144.92
  5. Step 5: Solve for x
    x = 501,992,510,144.92/743,177.46
  6. Step 6: Final answer
    x = 675,467.89

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1.5x scale

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.