Home / 567,965.52-783,788.04-313,327.44

Finding the Fourth Proportional to 567,965.52, 783,788.04 and 313,327.44

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Solution

The fourth proportional to 567,965.52, 783,788.04 and 313,327.44 is: 432,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,965.52 : 783,788.04 = 313,327.44 : x
  2. Step 2: Convert to fraction form
    567,965.52/783,788.04 = 313,327.44/x
  3. Step 3: Cross multiply
    567,965.52x = 783,788.04 × 313,327.44
  4. Step 4: Simplify right side
    567,965.52x = 245,582,300,075.82
  5. Step 5: Solve for x
    x = 245,582,300,075.82/567,965.52
  6. Step 6: Final answer
    x = 432,389.45

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1.5x scale

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.