Home / 894,271.20-1,341,644.40-388,615.20

Finding the Fourth Proportional to 894,271.20, 1,341,644.40 and 388,615.20

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Solution

The fourth proportional to 894,271.20, 1,341,644.40 and 388,615.20 is: 583,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,271.20 : 1,341,644.40 = 388,615.20 : x
  2. Step 2: Convert to fraction form
    894,271.20/1,341,644.40 = 388,615.20/x
  3. Step 3: Cross multiply
    894,271.20x = 1,341,644.40 × 388,615.20
  4. Step 4: Simplify right side
    894,271.20x = 521,383,406,834.88
  5. Step 5: Solve for x
    x = 521,383,406,834.88/894,271.20
  6. Step 6: Final answer
    x = 583,026.05

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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.