Home / 753,823.72-1,130,459.10-221,208.04

Finding the Fourth Proportional to 753,823.72, 1,130,459.10 and 221,208.04

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Solution

The fourth proportional to 753,823.72, 1,130,459.10 and 221,208.04 is: 331,730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,823.72 : 1,130,459.10 = 221,208.04 : x
  2. Step 2: Convert to fraction form
    753,823.72/1,130,459.10 = 221,208.04/x
  3. Step 3: Cross multiply
    753,823.72x = 1,130,459.10 × 221,208.04
  4. Step 4: Simplify right side
    753,823.72x = 250,066,641,811.16
  5. Step 5: Solve for x
    x = 250,066,641,811.16/753,823.72
  6. Step 6: Final answer
    x = 331,730.93

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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.