Home / 759,135.04-1,047,627.52-419,625.12

Finding the Fourth Proportional to 759,135.04, 1,047,627.52 and 419,625.12

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Solution

The fourth proportional to 759,135.04, 1,047,627.52 and 419,625.12 is: 579,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,135.04 : 1,047,627.52 = 419,625.12 : x
  2. Step 2: Convert to fraction form
    759,135.04/1,047,627.52 = 419,625.12/x
  3. Step 3: Cross multiply
    759,135.04x = 1,047,627.52 × 419,625.12
  4. Step 4: Simplify right side
    759,135.04x = 439,610,823,795.30
  5. Step 5: Solve for x
    x = 439,610,823,795.30/759,135.04
  6. Step 6: Final answer
    x = 579,094.36

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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.