Home / 774,110.79-1,068,236.55-429,969.03

Finding the Fourth Proportional to 774,110.79, 1,068,236.55 and 429,969.03

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Solution

The fourth proportional to 774,110.79, 1,068,236.55 and 429,969.03 is: 593,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,110.79 : 1,068,236.55 = 429,969.03 : x
  2. Step 2: Convert to fraction form
    774,110.79/1,068,236.55 = 429,969.03/x
  3. Step 3: Cross multiply
    774,110.79x = 1,068,236.55 × 429,969.03
  4. Step 4: Simplify right side
    774,110.79x = 459,308,633,214.05
  5. Step 5: Solve for x
    x = 459,308,633,214.05/774,110.79
  6. Step 6: Final answer
    x = 593,337.08

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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.