Home / 746,853.06-1,030,645.98-407,321.31

Finding the Fourth Proportional to 746,853.06, 1,030,645.98 and 407,321.31

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Solution

The fourth proportional to 746,853.06, 1,030,645.98 and 407,321.31 is: 562,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,853.06 : 1,030,645.98 = 407,321.31 : x
  2. Step 2: Convert to fraction form
    746,853.06/1,030,645.98 = 407,321.31/x
  3. Step 3: Cross multiply
    746,853.06x = 1,030,645.98 × 407,321.31
  4. Step 4: Simplify right side
    746,853.06x = 419,804,070,719.83
  5. Step 5: Solve for x
    x = 419,804,070,719.83/746,853.06
  6. Step 6: Final answer
    x = 562,097.28

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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.