Home / 751,939.50-1,037,684.55-407,776.08

Finding the Fourth Proportional to 751,939.50, 1,037,684.55 and 407,776.08

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Solution

The fourth proportional to 751,939.50, 1,037,684.55 and 407,776.08 is: 562,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,939.50 : 1,037,684.55 = 407,776.08 : x
  2. Step 2: Convert to fraction form
    751,939.50/1,037,684.55 = 407,776.08/x
  3. Step 3: Cross multiply
    751,939.50x = 1,037,684.55 × 407,776.08
  4. Step 4: Simplify right side
    751,939.50x = 423,142,938,075.56
  5. Step 5: Solve for x
    x = 423,142,938,075.56/751,939.50
  6. Step 6: Final answer
    x = 562,735.35

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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.