Home / 990,817.01-1,486,797.55-535,409.80

Finding the Fourth Proportional to 990,817.01, 1,486,797.55 and 535,409.80

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Solution

The fourth proportional to 990,817.01, 1,486,797.55 and 535,409.80 is: 803,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,817.01 : 1,486,797.55 = 535,409.80 : x
  2. Step 2: Convert to fraction form
    990,817.01/1,486,797.55 = 535,409.80/x
  3. Step 3: Cross multiply
    990,817.01x = 1,486,797.55 × 535,409.80
  4. Step 4: Simplify right side
    990,817.01x = 796,045,975,336.31
  5. Step 5: Solve for x
    x = 796,045,975,336.31/990,817.01
  6. Step 6: Final answer
    x = 803,423.81

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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.