Home / 750,450.10-1,035,621.54-406,286.10

Finding the Fourth Proportional to 750,450.10, 1,035,621.54 and 406,286.10

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Solution

The fourth proportional to 750,450.10, 1,035,621.54 and 406,286.10 is: 560,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,450.10 : 1,035,621.54 = 406,286.10 : x
  2. Step 2: Convert to fraction form
    750,450.10/1,035,621.54 = 406,286.10/x
  3. Step 3: Cross multiply
    750,450.10x = 1,035,621.54 × 406,286.10
  4. Step 4: Simplify right side
    750,450.10x = 420,758,636,562.59
  5. Step 5: Solve for x
    x = 420,758,636,562.59/750,450.10
  6. Step 6: Final answer
    x = 560,675.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.