Home / 717,855-1,076,803.38-268,490.14

Finding the Fourth Proportional to 717,855, 1,076,803.38 and 268,490.14

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Solution

The fourth proportional to 717,855, 1,076,803.38 and 268,490.14 is: 402,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,855 : 1,076,803.38 = 268,490.14 : x
  2. Step 2: Convert to fraction form
    717,855/1,076,803.38 = 268,490.14/x
  3. Step 3: Cross multiply
    717,855x = 1,076,803.38 × 268,490.14
  4. Step 4: Simplify right side
    717,855x = 289,111,090,248.67
  5. Step 5: Solve for x
    x = 289,111,090,248.67/717,855
  6. Step 6: Final answer
    x = 402,743.02

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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.