Home / 769,880.34-1,062,458.37-430,362.90

Finding the Fourth Proportional to 769,880.34, 1,062,458.37 and 430,362.90

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Solution

The fourth proportional to 769,880.34, 1,062,458.37 and 430,362.90 is: 593,913.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,880.34 : 1,062,458.37 = 430,362.90 : x
  2. Step 2: Convert to fraction form
    769,880.34/1,062,458.37 = 430,362.90/x
  3. Step 3: Cross multiply
    769,880.34x = 1,062,458.37 × 430,362.90
  4. Step 4: Simplify right side
    769,880.34x = 457,242,665,242.47
  5. Step 5: Solve for x
    x = 457,242,665,242.47/769,880.34
  6. Step 6: Final answer
    x = 593,913.94

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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.