Home / 670,686.67-1,006,130.04-221,455

Finding the Fourth Proportional to 670,686.67, 1,006,130.04 and 221,455

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Solution

The fourth proportional to 670,686.67, 1,006,130.04 and 221,455 is: 332,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,686.67 : 1,006,130.04 = 221,455 : x
  2. Step 2: Convert to fraction form
    670,686.67/1,006,130.04 = 221,455/x
  3. Step 3: Cross multiply
    670,686.67x = 1,006,130.04 × 221,455
  4. Step 4: Simplify right side
    670,686.67x = 222,812,528,008.20
  5. Step 5: Solve for x
    x = 222,812,528,008.20/670,686.67
  6. Step 6: Final answer
    x = 332,215.53

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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.