Home / 702,415.40-1,052,067.90-577,999.40

Finding the Fourth Proportional to 702,415.40, 1,052,067.90 and 577,999.40

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Solution

The fourth proportional to 702,415.40, 1,052,067.90 and 577,999.40 is: 865,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,415.40 : 1,052,067.90 = 577,999.40 : x
  2. Step 2: Convert to fraction form
    702,415.40/1,052,067.90 = 577,999.40/x
  3. Step 3: Cross multiply
    702,415.40x = 1,052,067.90 × 577,999.40
  4. Step 4: Simplify right side
    702,415.40x = 608,094,614,959.26
  5. Step 5: Solve for x
    x = 608,094,614,959.26/702,415.40
  6. Step 6: Final answer
    x = 865,719.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.