Home / 717,859.40-1,076,809.95-268,494.51

Finding the Fourth Proportional to 717,859.40, 1,076,809.95 and 268,494.51

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Solution

The fourth proportional to 717,859.40, 1,076,809.95 and 268,494.51 is: 402,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,859.40 : 1,076,809.95 = 268,494.51 : x
  2. Step 2: Convert to fraction form
    717,859.40/1,076,809.95 = 268,494.51/x
  3. Step 3: Cross multiply
    717,859.40x = 1,076,809.95 × 268,494.51
  4. Step 4: Simplify right side
    717,859.40x = 289,117,558,545.90
  5. Step 5: Solve for x
    x = 289,117,558,545.90/717,859.40
  6. Step 6: Final answer
    x = 402,749.56

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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.