Home / 670,344.90-1,005,906.15-249,663.30

Finding the Fourth Proportional to 670,344.90, 1,005,906.15 and 249,663.30

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Solution

The fourth proportional to 670,344.90, 1,005,906.15 and 249,663.30 is: 374,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,344.90 : 1,005,906.15 = 249,663.30 : x
  2. Step 2: Convert to fraction form
    670,344.90/1,005,906.15 = 249,663.30/x
  3. Step 3: Cross multiply
    670,344.90x = 1,005,906.15 × 249,663.30
  4. Step 4: Simplify right side
    670,344.90x = 251,137,848,899.30
  5. Step 5: Solve for x
    x = 251,137,848,899.30/670,344.90
  6. Step 6: Final answer
    x = 374,639.75

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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.