Home / 743,174.46-1,026,005.67-489,263.76

Finding the Fourth Proportional to 743,174.46, 1,026,005.67 and 489,263.76

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Solution

The fourth proportional to 743,174.46, 1,026,005.67 and 489,263.76 is: 675,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,174.46 : 1,026,005.67 = 489,263.76 : x
  2. Step 2: Convert to fraction form
    743,174.46/1,026,005.67 = 489,263.76/x
  3. Step 3: Cross multiply
    743,174.46x = 1,026,005.67 × 489,263.76
  4. Step 4: Simplify right side
    743,174.46x = 501,987,391,885.52
  5. Step 5: Solve for x
    x = 501,987,391,885.52/743,174.46
  6. Step 6: Final answer
    x = 675,463.73

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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.