Home / 997,999.20-1,496,998.80-288,050.40

Finding the Fourth Proportional to 997,999.20, 1,496,998.80 and 288,050.40

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Solution

The fourth proportional to 997,999.20, 1,496,998.80 and 288,050.40 is: 432,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,999.20 : 1,496,998.80 = 288,050.40 : x
  2. Step 2: Convert to fraction form
    997,999.20/1,496,998.80 = 288,050.40/x
  3. Step 3: Cross multiply
    997,999.20x = 1,496,998.80 × 288,050.40
  4. Step 4: Simplify right side
    997,999.20x = 431,211,103,139.52
  5. Step 5: Solve for x
    x = 431,211,103,139.52/997,999.20
  6. Step 6: Final answer
    x = 432,075.60

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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.