Home / 744,888.16-1,027,943.76-405,356.32

Finding the Fourth Proportional to 744,888.16, 1,027,943.76 and 405,356.32

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Solution

The fourth proportional to 744,888.16, 1,027,943.76 and 405,356.32 is: 559,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,888.16 : 1,027,943.76 = 405,356.32 : x
  2. Step 2: Convert to fraction form
    744,888.16/1,027,943.76 = 405,356.32/x
  3. Step 3: Cross multiply
    744,888.16x = 1,027,943.76 × 405,356.32
  4. Step 4: Simplify right side
    744,888.16x = 416,683,499,720.56
  5. Step 5: Solve for x
    x = 416,683,499,720.56/744,888.16
  6. Step 6: Final answer
    x = 559,390.69

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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.