Home / 774,277.89-1,068,473.78-430,135.46

Finding the Fourth Proportional to 774,277.89, 1,068,473.78 and 430,135.46

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Solution

The fourth proportional to 774,277.89, 1,068,473.78 and 430,135.46 is: 593,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,277.89 : 1,068,473.78 = 430,135.46 : x
  2. Step 2: Convert to fraction form
    774,277.89/1,068,473.78 = 430,135.46/x
  3. Step 3: Cross multiply
    774,277.89x = 1,068,473.78 × 430,135.46
  4. Step 4: Simplify right side
    774,277.89x = 459,588,460,858.24
  5. Step 5: Solve for x
    x = 459,588,460,858.24/774,277.89
  6. Step 6: Final answer
    x = 593,570.43

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Double scale
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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.