Home / 713,459.20-1,070,188.80-313,675.60

Finding the Fourth Proportional to 713,459.20, 1,070,188.80 and 313,675.60

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Solution

The fourth proportional to 713,459.20, 1,070,188.80 and 313,675.60 is: 470,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,459.20 : 1,070,188.80 = 313,675.60 : x
  2. Step 2: Convert to fraction form
    713,459.20/1,070,188.80 = 313,675.60/x
  3. Step 3: Cross multiply
    713,459.20x = 1,070,188.80 × 313,675.60
  4. Step 4: Simplify right side
    713,459.20x = 335,692,113,953.28
  5. Step 5: Solve for x
    x = 335,692,113,953.28/713,459.20
  6. Step 6: Final answer
    x = 470,513.40

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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.