Home / 562,429.48-776,166.06-320,735.20

Finding the Fourth Proportional to 562,429.48, 776,166.06 and 320,735.20

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Solution

The fourth proportional to 562,429.48, 776,166.06 and 320,735.20 is: 442,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,429.48 : 776,166.06 = 320,735.20 : x
  2. Step 2: Convert to fraction form
    562,429.48/776,166.06 = 320,735.20/x
  3. Step 3: Cross multiply
    562,429.48x = 776,166.06 × 320,735.20
  4. Step 4: Simplify right side
    562,429.48x = 248,943,776,487.31
  5. Step 5: Solve for x
    x = 248,943,776,487.31/562,429.48
  6. Step 6: Final answer
    x = 442,622.20

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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.