Home / 774,428.42-1,068,697.32-430,265.90

Finding the Fourth Proportional to 774,428.42, 1,068,697.32 and 430,265.90

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Solution

The fourth proportional to 774,428.42, 1,068,697.32 and 430,265.90 is: 593,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,428.42 : 1,068,697.32 = 430,265.90 : x
  2. Step 2: Convert to fraction form
    774,428.42/1,068,697.32 = 430,265.90/x
  3. Step 3: Cross multiply
    774,428.42x = 1,068,697.32 × 430,265.90
  4. Step 4: Simplify right side
    774,428.42x = 459,824,014,217.39
  5. Step 5: Solve for x
    x = 459,824,014,217.39/774,428.42
  6. Step 6: Final answer
    x = 593,759.22

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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.