Home / 916,635.88-1,264,938.49-508,714.01

Finding the Fourth Proportional to 916,635.88, 1,264,938.49 and 508,714.01

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Solution

The fourth proportional to 916,635.88, 1,264,938.49 and 508,714.01 is: 702,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,635.88 : 1,264,938.49 = 508,714.01 : x
  2. Step 2: Convert to fraction form
    916,635.88/1,264,938.49 = 508,714.01/x
  3. Step 3: Cross multiply
    916,635.88x = 1,264,938.49 × 508,714.01
  4. Step 4: Simplify right side
    916,635.88x = 643,491,931,651.25
  5. Step 5: Solve for x
    x = 643,491,931,651.25/916,635.88
  6. Step 6: Final answer
    x = 702,014.78

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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.