Home / 743,182.46-1,026,016.72-489,271.76

Finding the Fourth Proportional to 743,182.46, 1,026,016.72 and 489,271.76

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Solution

The fourth proportional to 743,182.46, 1,026,016.72 and 489,271.76 is: 675,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,182.46 : 1,026,016.72 = 489,271.76 : x
  2. Step 2: Convert to fraction form
    743,182.46/1,026,016.72 = 489,271.76/x
  3. Step 3: Cross multiply
    743,182.46x = 1,026,016.72 × 489,271.76
  4. Step 4: Simplify right side
    743,182.46x = 502,001,006,383.83
  5. Step 5: Solve for x
    x = 502,001,006,383.83/743,182.46
  6. Step 6: Final answer
    x = 675,474.78

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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.