Home / 446,927.40-670,391.10-397,938.60

Finding the Fourth Proportional to 446,927.40, 670,391.10 and 397,938.60

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Solution

The fourth proportional to 446,927.40, 670,391.10 and 397,938.60 is: 596,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,927.40 : 670,391.10 = 397,938.60 : x
  2. Step 2: Convert to fraction form
    446,927.40/670,391.10 = 397,938.60/x
  3. Step 3: Cross multiply
    446,927.40x = 670,391.10 × 397,938.60
  4. Step 4: Simplify right side
    446,927.40x = 266,774,495,786.46
  5. Step 5: Solve for x
    x = 266,774,495,786.46/446,927.40
  6. Step 6: Final answer
    x = 596,907.90

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Similar ratio
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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.