Home / 678,607.60-1,017,911.40-573,631.60

Finding the Fourth Proportional to 678,607.60, 1,017,911.40 and 573,631.60

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Solution

The fourth proportional to 678,607.60, 1,017,911.40 and 573,631.60 is: 860,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,607.60 : 1,017,911.40 = 573,631.60 : x
  2. Step 2: Convert to fraction form
    678,607.60/1,017,911.40 = 573,631.60/x
  3. Step 3: Cross multiply
    678,607.60x = 1,017,911.40 × 573,631.60
  4. Step 4: Simplify right side
    678,607.60x = 583,906,145,040.24
  5. Step 5: Solve for x
    x = 583,906,145,040.24/678,607.60
  6. Step 6: Final answer
    x = 860,447.40

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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.