Home / 489,206.13-674,976.15-282,423.93

Finding the Fourth Proportional to 489,206.13, 674,976.15 and 282,423.93

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Solution

The fourth proportional to 489,206.13, 674,976.15 and 282,423.93 is: 389,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,206.13 : 674,976.15 = 282,423.93 : x
  2. Step 2: Convert to fraction form
    489,206.13/674,976.15 = 282,423.93/x
  3. Step 3: Cross multiply
    489,206.13x = 674,976.15 × 282,423.93
  4. Step 4: Simplify right side
    489,206.13x = 190,629,416,939.27
  5. Step 5: Solve for x
    x = 190,629,416,939.27/489,206.13
  6. Step 6: Final answer
    x = 389,670.95

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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.