Home / 698,348.88-1,046,710.84-399,039.28

Finding the Fourth Proportional to 698,348.88, 1,046,710.84 and 399,039.28

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Solution

The fourth proportional to 698,348.88, 1,046,710.84 and 399,039.28 is: 598,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,348.88 : 1,046,710.84 = 399,039.28 : x
  2. Step 2: Convert to fraction form
    698,348.88/1,046,710.84 = 399,039.28/x
  3. Step 3: Cross multiply
    698,348.88x = 1,046,710.84 × 399,039.28
  4. Step 4: Simplify right side
    698,348.88x = 417,678,739,961.80
  5. Step 5: Solve for x
    x = 417,678,739,961.80/698,348.88
  6. Step 6: Final answer
    x = 598,094.67

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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.