Home / 698,205.40-1,047,308.10-627,346.60

Finding the Fourth Proportional to 698,205.40, 1,047,308.10 and 627,346.60

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Solution

The fourth proportional to 698,205.40, 1,047,308.10 and 627,346.60 is: 941,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,205.40 : 1,047,308.10 = 627,346.60 : x
  2. Step 2: Convert to fraction form
    698,205.40/1,047,308.10 = 627,346.60/x
  3. Step 3: Cross multiply
    698,205.40x = 1,047,308.10 × 627,346.60
  4. Step 4: Simplify right side
    698,205.40x = 657,025,175,687.46
  5. Step 5: Solve for x
    x = 657,025,175,687.46/698,205.40
  6. Step 6: Final answer
    x = 941,019.90

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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.