Home / 973,180.78-1,342,992.35-543,477.20

Finding the Fourth Proportional to 973,180.78, 1,342,992.35 and 543,477.20

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Solution

The fourth proportional to 973,180.78, 1,342,992.35 and 543,477.20 is: 750,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,180.78 : 1,342,992.35 = 543,477.20 : x
  2. Step 2: Convert to fraction form
    973,180.78/1,342,992.35 = 543,477.20/x
  3. Step 3: Cross multiply
    973,180.78x = 1,342,992.35 × 543,477.20
  4. Step 4: Simplify right side
    973,180.78x = 729,885,716,643.15
  5. Step 5: Solve for x
    x = 729,885,716,643.15/973,180.78
  6. Step 6: Final answer
    x = 750,000.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.