Home / 754,043.60-1,040,583.60-414,533.72

Finding the Fourth Proportional to 754,043.60, 1,040,583.60 and 414,533.72

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Solution

The fourth proportional to 754,043.60, 1,040,583.60 and 414,533.72 is: 572,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,043.60 : 1,040,583.60 = 414,533.72 : x
  2. Step 2: Convert to fraction form
    754,043.60/1,040,583.60 = 414,533.72/x
  3. Step 3: Cross multiply
    754,043.60x = 1,040,583.60 × 414,533.72
  4. Step 4: Simplify right side
    754,043.60x = 431,356,990,678.99
  5. Step 5: Solve for x
    x = 431,356,990,678.99/754,043.60
  6. Step 6: Final answer
    x = 572,058.42

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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.