Home / 899,165.02-1,240,833.21-491,258.08

Finding the Fourth Proportional to 899,165.02, 1,240,833.21 and 491,258.08

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Solution

The fourth proportional to 899,165.02, 1,240,833.21 and 491,258.08 is: 677,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,165.02 : 1,240,833.21 = 491,258.08 : x
  2. Step 2: Convert to fraction form
    899,165.02/1,240,833.21 = 491,258.08/x
  3. Step 3: Cross multiply
    899,165.02x = 1,240,833.21 × 491,258.08
  4. Step 4: Simplify right side
    899,165.02x = 609,569,340,344.84
  5. Step 5: Solve for x
    x = 609,569,340,344.84/899,165.02
  6. Step 6: Final answer
    x = 677,928.22

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Double scale
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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.