Home / 743,514.88-1,026,035.76-403,985.56

Finding the Fourth Proportional to 743,514.88, 1,026,035.76 and 403,985.56

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Solution

The fourth proportional to 743,514.88, 1,026,035.76 and 403,985.56 is: 557,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,514.88 : 1,026,035.76 = 403,985.56 : x
  2. Step 2: Convert to fraction form
    743,514.88/1,026,035.76 = 403,985.56/x
  3. Step 3: Cross multiply
    743,514.88x = 1,026,035.76 × 403,985.56
  4. Step 4: Simplify right side
    743,514.88x = 414,503,631,083.63
  5. Step 5: Solve for x
    x = 414,503,631,083.63/743,514.88
  6. Step 6: Final answer
    x = 557,492.05

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1.5x scale

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.