Home / 891,539.72-1,230,409.68-509,492.42

Finding the Fourth Proportional to 891,539.72, 1,230,409.68 and 509,492.42

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Solution

The fourth proportional to 891,539.72, 1,230,409.68 and 509,492.42 is: 703,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,539.72 : 1,230,409.68 = 509,492.42 : x
  2. Step 2: Convert to fraction form
    891,539.72/1,230,409.68 = 509,492.42/x
  3. Step 3: Cross multiply
    891,539.72x = 1,230,409.68 × 509,492.42
  4. Step 4: Simplify right side
    891,539.72x = 626,884,405,454.63
  5. Step 5: Solve for x
    x = 626,884,405,454.63/891,539.72
  6. Step 6: Final answer
    x = 703,148.04

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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.