Home / 867,830.04-1,302,585.84-418,866.48

Finding the Fourth Proportional to 867,830.04, 1,302,585.84 and 418,866.48

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Solution

The fourth proportional to 867,830.04, 1,302,585.84 and 418,866.48 is: 628,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,830.04 : 1,302,585.84 = 418,866.48 : x
  2. Step 2: Convert to fraction form
    867,830.04/1,302,585.84 = 418,866.48/x
  3. Step 3: Cross multiply
    867,830.04x = 1,302,585.84 × 418,866.48
  4. Step 4: Simplify right side
    867,830.04x = 545,609,545,698.64
  5. Step 5: Solve for x
    x = 545,609,545,698.64/867,830.04
  6. Step 6: Final answer
    x = 628,705.53

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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.