Home / 753,564.61-1,130,357.55-221,096.63

Finding the Fourth Proportional to 753,564.61, 1,130,357.55 and 221,096.63

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Solution

The fourth proportional to 753,564.61, 1,130,357.55 and 221,096.63 is: 331,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,564.61 : 1,130,357.55 = 221,096.63 : x
  2. Step 2: Convert to fraction form
    753,564.61/1,130,357.55 = 221,096.63/x
  3. Step 3: Cross multiply
    753,564.61x = 1,130,357.55 × 221,096.63
  4. Step 4: Simplify right side
    753,564.61x = 249,918,247,411.39
  5. Step 5: Solve for x
    x = 249,918,247,411.39/753,564.61
  6. Step 6: Final answer
    x = 331,648.07

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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.