Home / 876,485.32-1,209,550.90-494,547.64

Finding the Fourth Proportional to 876,485.32, 1,209,550.90 and 494,547.64

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Solution

The fourth proportional to 876,485.32, 1,209,550.90 and 494,547.64 is: 682,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,485.32 : 1,209,550.90 = 494,547.64 : x
  2. Step 2: Convert to fraction form
    876,485.32/1,209,550.90 = 494,547.64/x
  3. Step 3: Cross multiply
    876,485.32x = 1,209,550.90 × 494,547.64
  4. Step 4: Simplify right side
    876,485.32x = 598,180,538,794.63
  5. Step 5: Solve for x
    x = 598,180,538,794.63/876,485.32
  6. Step 6: Final answer
    x = 682,476.39

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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.