Home / 769,485.96-1,061,888.40-429,954.48

Finding the Fourth Proportional to 769,485.96, 1,061,888.40 and 429,954.48

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Solution

The fourth proportional to 769,485.96, 1,061,888.40 and 429,954.48 is: 593,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,485.96 : 1,061,888.40 = 429,954.48 : x
  2. Step 2: Convert to fraction form
    769,485.96/1,061,888.40 = 429,954.48/x
  3. Step 3: Cross multiply
    769,485.96x = 1,061,888.40 × 429,954.48
  4. Step 4: Simplify right side
    769,485.96x = 456,563,674,840.03
  5. Step 5: Solve for x
    x = 456,563,674,840.03/769,485.96
  6. Step 6: Final answer
    x = 593,335.94

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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.