Home / 808,987.30-1,214,793.15-585,913.30

Finding the Fourth Proportional to 808,987.30, 1,214,793.15 and 585,913.30

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Solution

The fourth proportional to 808,987.30, 1,214,793.15 and 585,913.30 is: 879,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,987.30 : 1,214,793.15 = 585,913.30 : x
  2. Step 2: Convert to fraction form
    808,987.30/1,214,793.15 = 585,913.30/x
  3. Step 3: Cross multiply
    808,987.30x = 1,214,793.15 × 585,913.30
  4. Step 4: Simplify right side
    808,987.30x = 711,763,463,333.90
  5. Step 5: Solve for x
    x = 711,763,463,333.90/808,987.30
  6. Step 6: Final answer
    x = 879,820.32

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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.