Home / 656,252.16-905,670.72-494,822.40

Finding the Fourth Proportional to 656,252.16, 905,670.72 and 494,822.40

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Solution

The fourth proportional to 656,252.16, 905,670.72 and 494,822.40 is: 682,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,252.16 : 905,670.72 = 494,822.40 : x
  2. Step 2: Convert to fraction form
    656,252.16/905,670.72 = 494,822.40/x
  3. Step 3: Cross multiply
    656,252.16x = 905,670.72 × 494,822.40
  4. Step 4: Simplify right side
    656,252.16x = 448,146,159,280.13
  5. Step 5: Solve for x
    x = 448,146,159,280.13/656,252.16
  6. Step 6: Final answer
    x = 682,887.14

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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.