Home / 772,969.82-1,158,911.40-340,482.02

Finding the Fourth Proportional to 772,969.82, 1,158,911.40 and 340,482.02

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Solution

The fourth proportional to 772,969.82, 1,158,911.40 and 340,482.02 is: 510,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,969.82 : 1,158,911.40 = 340,482.02 : x
  2. Step 2: Convert to fraction form
    772,969.82/1,158,911.40 = 340,482.02/x
  3. Step 3: Cross multiply
    772,969.82x = 1,158,911.40 × 340,482.02
  4. Step 4: Simplify right side
    772,969.82x = 394,588,494,473.03
  5. Step 5: Solve for x
    x = 394,588,494,473.03/772,969.82
  6. Step 6: Final answer
    x = 510,483.70

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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.