Home / 486,460.12-669,828.72-440,841.19

Finding the Fourth Proportional to 486,460.12, 669,828.72 and 440,841.19

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Solution

The fourth proportional to 486,460.12, 669,828.72 and 440,841.19 is: 607,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,460.12 : 669,828.72 = 440,841.19 : x
  2. Step 2: Convert to fraction form
    486,460.12/669,828.72 = 440,841.19/x
  3. Step 3: Cross multiply
    486,460.12x = 669,828.72 × 440,841.19
  4. Step 4: Simplify right side
    486,460.12x = 295,288,090,020.98
  5. Step 5: Solve for x
    x = 295,288,090,020.98/486,460.12
  6. Step 6: Final answer
    x = 607,013.97

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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.