Home / 709,200.80-1,064,492.40-354,615.20

Finding the Fourth Proportional to 709,200.80, 1,064,492.40 and 354,615.20

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Solution

The fourth proportional to 709,200.80, 1,064,492.40 and 354,615.20 is: 532,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,200.80 : 1,064,492.40 = 354,615.20 : x
  2. Step 2: Convert to fraction form
    709,200.80/1,064,492.40 = 354,615.20/x
  3. Step 3: Cross multiply
    709,200.80x = 1,064,492.40 × 354,615.20
  4. Step 4: Simplify right side
    709,200.80x = 377,485,185,324.48
  5. Step 5: Solve for x
    x = 377,485,185,324.48/709,200.80
  6. Step 6: Final answer
    x = 532,268.41

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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.