Home / 670,467.09-1,004,594.60-386,396.24

Finding the Fourth Proportional to 670,467.09, 1,004,594.60 and 386,396.24

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Solution

The fourth proportional to 670,467.09, 1,004,594.60 and 386,396.24 is: 578,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,467.09 : 1,004,594.60 = 386,396.24 : x
  2. Step 2: Convert to fraction form
    670,467.09/1,004,594.60 = 386,396.24/x
  3. Step 3: Cross multiply
    670,467.09x = 1,004,594.60 × 386,396.24
  4. Step 4: Simplify right side
    670,467.09x = 388,171,569,209.35
  5. Step 5: Solve for x
    x = 388,171,569,209.35/670,467.09
  6. Step 6: Final answer
    x = 578,956.93

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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.