Home / 698,966.40-1,048,595.40-399,201.60

Finding the Fourth Proportional to 698,966.40, 1,048,595.40 and 399,201.60

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Solution

The fourth proportional to 698,966.40, 1,048,595.40 and 399,201.60 is: 598,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,966.40 : 1,048,595.40 = 399,201.60 : x
  2. Step 2: Convert to fraction form
    698,966.40/1,048,595.40 = 399,201.60/x
  3. Step 3: Cross multiply
    698,966.40x = 1,048,595.40 × 399,201.60
  4. Step 4: Simplify right side
    698,966.40x = 418,600,961,432.64
  5. Step 5: Solve for x
    x = 418,600,961,432.64/698,966.40
  6. Step 6: Final answer
    x = 598,885.67

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1.5x scale

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.