Home / 906,200.60-1,357,745.70-431,864.60

Finding the Fourth Proportional to 906,200.60, 1,357,745.70 and 431,864.60

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Solution

The fourth proportional to 906,200.60, 1,357,745.70 and 431,864.60 is: 647,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,200.60 : 1,357,745.70 = 431,864.60 : x
  2. Step 2: Convert to fraction form
    906,200.60/1,357,745.70 = 431,864.60/x
  3. Step 3: Cross multiply
    906,200.60x = 1,357,745.70 × 431,864.60
  4. Step 4: Simplify right side
    906,200.60x = 586,362,303,632.22
  5. Step 5: Solve for x
    x = 586,362,303,632.22/906,200.60
  6. Step 6: Final answer
    x = 647,055.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.