Home / 997,784.70-1,496,871.45-398,643.90

Finding the Fourth Proportional to 997,784.70, 1,496,871.45 and 398,643.90

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Solution

The fourth proportional to 997,784.70, 1,496,871.45 and 398,643.90 is: 598,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,784.70 : 1,496,871.45 = 398,643.90 : x
  2. Step 2: Convert to fraction form
    997,784.70/1,496,871.45 = 398,643.90/x
  3. Step 3: Cross multiply
    997,784.70x = 1,496,871.45 × 398,643.90
  4. Step 4: Simplify right side
    997,784.70x = 596,718,672,626.66
  5. Step 5: Solve for x
    x = 596,718,672,626.66/997,784.70
  6. Step 6: Final answer
    x = 598,043.52

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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.