Home / 850,804.32-1,276,323.12-377,479.20

Finding the Fourth Proportional to 850,804.32, 1,276,323.12 and 377,479.20

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Solution

The fourth proportional to 850,804.32, 1,276,323.12 and 377,479.20 is: 566,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,804.32 : 1,276,323.12 = 377,479.20 : x
  2. Step 2: Convert to fraction form
    850,804.32/1,276,323.12 = 377,479.20/x
  3. Step 3: Cross multiply
    850,804.32x = 1,276,323.12 × 377,479.20
  4. Step 4: Simplify right side
    850,804.32x = 481,785,430,279.10
  5. Step 5: Solve for x
    x = 481,785,430,279.10/850,804.32
  6. Step 6: Final answer
    x = 566,270.55

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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.