Home / 759,844.80-1,049,478.12-607,410.90

Finding the Fourth Proportional to 759,844.80, 1,049,478.12 and 607,410.90

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Solution

The fourth proportional to 759,844.80, 1,049,478.12 and 607,410.90 is: 838,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,844.80 : 1,049,478.12 = 607,410.90 : x
  2. Step 2: Convert to fraction form
    759,844.80/1,049,478.12 = 607,410.90/x
  3. Step 3: Cross multiply
    759,844.80x = 1,049,478.12 × 607,410.90
  4. Step 4: Simplify right side
    759,844.80x = 637,464,449,399.51
  5. Step 5: Solve for x
    x = 637,464,449,399.51/759,844.80
  6. Step 6: Final answer
    x = 838,940.33

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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.