Home / 670,220.46-1,005,014.82-243,455.43

Finding the Fourth Proportional to 670,220.46, 1,005,014.82 and 243,455.43

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Solution

The fourth proportional to 670,220.46, 1,005,014.82 and 243,455.43 is: 365,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,220.46 : 1,005,014.82 = 243,455.43 : x
  2. Step 2: Convert to fraction form
    670,220.46/1,005,014.82 = 243,455.43/x
  3. Step 3: Cross multiply
    670,220.46x = 1,005,014.82 × 243,455.43
  4. Step 4: Simplify right side
    670,220.46x = 244,676,315,159.47
  5. Step 5: Solve for x
    x = 244,676,315,159.47/670,220.46
  6. Step 6: Final answer
    x = 365,068.41

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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.