Home / 648,743.98-973,293.48-312,066.12

Finding the Fourth Proportional to 648,743.98, 973,293.48 and 312,066.12

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Solution

The fourth proportional to 648,743.98, 973,293.48 and 312,066.12 is: 468,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,743.98 : 973,293.48 = 312,066.12 : x
  2. Step 2: Convert to fraction form
    648,743.98/973,293.48 = 312,066.12/x
  3. Step 3: Cross multiply
    648,743.98x = 973,293.48 × 312,066.12
  4. Step 4: Simplify right side
    648,743.98x = 303,731,919,924.90
  5. Step 5: Solve for x
    x = 303,731,919,924.90/648,743.98
  6. Step 6: Final answer
    x = 468,184.57

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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.