Home / 855,469.28-1,180,602.60-492,886.64

Finding the Fourth Proportional to 855,469.28, 1,180,602.60 and 492,886.64

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Solution

The fourth proportional to 855,469.28, 1,180,602.60 and 492,886.64 is: 680,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,469.28 : 1,180,602.60 = 492,886.64 : x
  2. Step 2: Convert to fraction form
    855,469.28/1,180,602.60 = 492,886.64/x
  3. Step 3: Cross multiply
    855,469.28x = 1,180,602.60 × 492,886.64
  4. Step 4: Simplify right side
    855,469.28x = 581,903,248,689.26
  5. Step 5: Solve for x
    x = 581,903,248,689.26/855,469.28
  6. Step 6: Final answer
    x = 680,215.25

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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.