Home / 980,325.40-1,468,421.52-448,294.20

Finding the Fourth Proportional to 980,325.40, 1,468,421.52 and 448,294.20

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Solution

The fourth proportional to 980,325.40, 1,468,421.52 and 448,294.20 is: 671,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,325.40 : 1,468,421.52 = 448,294.20 : x
  2. Step 2: Convert to fraction form
    980,325.40/1,468,421.52 = 448,294.20/x
  3. Step 3: Cross multiply
    980,325.40x = 1,468,421.52 × 448,294.20
  4. Step 4: Simplify right side
    980,325.40x = 658,284,850,571.18
  5. Step 5: Solve for x
    x = 658,284,850,571.18/980,325.40
  6. Step 6: Final answer
    x = 671,496.27

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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.