Home / 879,990.16-1,214,387.04-477,582.16

Finding the Fourth Proportional to 879,990.16, 1,214,387.04 and 477,582.16

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Solution

The fourth proportional to 879,990.16, 1,214,387.04 and 477,582.16 is: 659,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,990.16 : 1,214,387.04 = 477,582.16 : x
  2. Step 2: Convert to fraction form
    879,990.16/1,214,387.04 = 477,582.16/x
  3. Step 3: Cross multiply
    879,990.16x = 1,214,387.04 × 477,582.16
  4. Step 4: Simplify right side
    879,990.16x = 579,969,585,639.21
  5. Step 5: Solve for x
    x = 579,969,585,639.21/879,990.16
  6. Step 6: Final answer
    x = 659,063.72

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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.