Home / 759,264-1,047,693.36-419,686.08

Finding the Fourth Proportional to 759,264, 1,047,693.36 and 419,686.08

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Solution

The fourth proportional to 759,264, 1,047,693.36 and 419,686.08 is: 579,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,264 : 1,047,693.36 = 419,686.08 : x
  2. Step 2: Convert to fraction form
    759,264/1,047,693.36 = 419,686.08/x
  3. Step 3: Cross multiply
    759,264x = 1,047,693.36 × 419,686.08
  4. Step 4: Simplify right side
    759,264x = 439,702,319,300.43
  5. Step 5: Solve for x
    x = 439,702,319,300.43/759,264
  6. Step 6: Final answer
    x = 579,116.51

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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.