Home / 713,477.60-1,070,734.80-293,055.20

Finding the Fourth Proportional to 713,477.60, 1,070,734.80 and 293,055.20

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Solution

The fourth proportional to 713,477.60, 1,070,734.80 and 293,055.20 is: 439,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,477.60 : 1,070,734.80 = 293,055.20 : x
  2. Step 2: Convert to fraction form
    713,477.60/1,070,734.80 = 293,055.20/x
  3. Step 3: Cross multiply
    713,477.60x = 1,070,734.80 × 293,055.20
  4. Step 4: Simplify right side
    713,477.60x = 313,784,400,960.96
  5. Step 5: Solve for x
    x = 313,784,400,960.96/713,477.60
  6. Step 6: Final answer
    x = 439,795.73

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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.