Home / 648,374.43-972,608.35-249,015.20

Finding the Fourth Proportional to 648,374.43, 972,608.35 and 249,015.20

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Solution

The fourth proportional to 648,374.43, 972,608.35 and 249,015.20 is: 373,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,374.43 : 972,608.35 = 249,015.20 : x
  2. Step 2: Convert to fraction form
    648,374.43/972,608.35 = 249,015.20/x
  3. Step 3: Cross multiply
    648,374.43x = 972,608.35 × 249,015.20
  4. Step 4: Simplify right side
    648,374.43x = 242,194,264,605.90
  5. Step 5: Solve for x
    x = 242,194,264,605.90/648,374.43
  6. Step 6: Final answer
    x = 373,540.74

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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.