Home / 808,622.60-1,212,933.90-556,680.20

Finding the Fourth Proportional to 808,622.60, 1,212,933.90 and 556,680.20

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Solution

The fourth proportional to 808,622.60, 1,212,933.90 and 556,680.20 is: 835,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,622.60 : 1,212,933.90 = 556,680.20 : x
  2. Step 2: Convert to fraction form
    808,622.60/1,212,933.90 = 556,680.20/x
  3. Step 3: Cross multiply
    808,622.60x = 1,212,933.90 × 556,680.20
  4. Step 4: Simplify right side
    808,622.60x = 675,216,286,038.78
  5. Step 5: Solve for x
    x = 675,216,286,038.78/808,622.60
  6. Step 6: Final answer
    x = 835,020.30

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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.