Home / 951,347-1,312,738.58-521,514.02

Finding the Fourth Proportional to 951,347, 1,312,738.58 and 521,514.02

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Solution

The fourth proportional to 951,347, 1,312,738.58 and 521,514.02 is: 719,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,347 : 1,312,738.58 = 521,514.02 : x
  2. Step 2: Convert to fraction form
    951,347/1,312,738.58 = 521,514.02/x
  3. Step 3: Cross multiply
    951,347x = 1,312,738.58 × 521,514.02
  4. Step 4: Simplify right side
    951,347x = 684,611,574,064.89
  5. Step 5: Solve for x
    x = 684,611,574,064.89/951,347
  6. Step 6: Final answer
    x = 719,623.41

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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.