Home / 817,056.40-1,223,165.40-607,622.80

Finding the Fourth Proportional to 817,056.40, 1,223,165.40 and 607,622.80

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Solution

The fourth proportional to 817,056.40, 1,223,165.40 and 607,622.80 is: 909,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,056.40 : 1,223,165.40 = 607,622.80 : x
  2. Step 2: Convert to fraction form
    817,056.40/1,223,165.40 = 607,622.80/x
  3. Step 3: Cross multiply
    817,056.40x = 1,223,165.40 × 607,622.80
  4. Step 4: Simplify right side
    817,056.40x = 743,223,185,211.12
  5. Step 5: Solve for x
    x = 743,223,185,211.12/817,056.40
  6. Step 6: Final answer
    x = 909,635.11

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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.