Home / 666,833.04-1,000,210.68-398,794.32

Finding the Fourth Proportional to 666,833.04, 1,000,210.68 and 398,794.32

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Solution

The fourth proportional to 666,833.04, 1,000,210.68 and 398,794.32 is: 598,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,833.04 : 1,000,210.68 = 398,794.32 : x
  2. Step 2: Convert to fraction form
    666,833.04/1,000,210.68 = 398,794.32/x
  3. Step 3: Cross multiply
    666,833.04x = 1,000,210.68 × 398,794.32
  4. Step 4: Simplify right side
    666,833.04x = 398,878,337,987.34
  5. Step 5: Solve for x
    x = 398,878,337,987.34/666,833.04
  6. Step 6: Final answer
    x = 598,168.23

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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.