Home / 774,576.35-1,068,894.04-430,403.38

Finding the Fourth Proportional to 774,576.35, 1,068,894.04 and 430,403.38

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Solution

The fourth proportional to 774,576.35, 1,068,894.04 and 430,403.38 is: 593,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,576.35 : 1,068,894.04 = 430,403.38 : x
  2. Step 2: Convert to fraction form
    774,576.35/1,068,894.04 = 430,403.38/x
  3. Step 3: Cross multiply
    774,576.35x = 1,068,894.04 × 430,403.38
  4. Step 4: Simplify right side
    774,576.35x = 460,055,603,929.61
  5. Step 5: Solve for x
    x = 460,055,603,929.61/774,576.35
  6. Step 6: Final answer
    x = 593,944.81

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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.