Home / 693,485.60-1,040,427.66-288,599.00

Finding the Fourth Proportional to 693,485.60, 1,040,427.66 and 288,599.00

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Solution

The fourth proportional to 693,485.60, 1,040,427.66 and 288,599.00 is: 432,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,485.60 : 1,040,427.66 = 288,599.00 : x
  2. Step 2: Convert to fraction form
    693,485.60/1,040,427.66 = 288,599.00/x
  3. Step 3: Cross multiply
    693,485.60x = 1,040,427.66 × 288,599.00
  4. Step 4: Simplify right side
    693,485.60x = 300,266,377,046.20
  5. Step 5: Solve for x
    x = 300,266,377,046.20/693,485.60
  6. Step 6: Final answer
    x = 432,981.42

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1.5x scale

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.