Home / 549,979.32-758,969.04-308,261.90

Finding the Fourth Proportional to 549,979.32, 758,969.04 and 308,261.90

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Solution

The fourth proportional to 549,979.32, 758,969.04 and 308,261.90 is: 425,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,979.32 : 758,969.04 = 308,261.90 : x
  2. Step 2: Convert to fraction form
    549,979.32/758,969.04 = 308,261.90/x
  3. Step 3: Cross multiply
    549,979.32x = 758,969.04 × 308,261.90
  4. Step 4: Simplify right side
    549,979.32x = 233,961,239,631.01
  5. Step 5: Solve for x
    x = 233,961,239,631.01/549,979.32
  6. Step 6: Final answer
    x = 425,400.07

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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.