Home / 743,666.94-1,115,461.26-436,089.96

Finding the Fourth Proportional to 743,666.94, 1,115,461.26 and 436,089.96

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Solution

The fourth proportional to 743,666.94, 1,115,461.26 and 436,089.96 is: 654,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,666.94 : 1,115,461.26 = 436,089.96 : x
  2. Step 2: Convert to fraction form
    743,666.94/1,115,461.26 = 436,089.96/x
  3. Step 3: Cross multiply
    743,666.94x = 1,115,461.26 × 436,089.96
  4. Step 4: Simplify right side
    743,666.94x = 486,441,456,254.95
  5. Step 5: Solve for x
    x = 486,441,456,254.95/743,666.94
  6. Step 6: Final answer
    x = 654,111.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.