Home / 549,933.05-758,937.38-308,293.31

Finding the Fourth Proportional to 549,933.05, 758,937.38 and 308,293.31

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Solution

The fourth proportional to 549,933.05, 758,937.38 and 308,293.31 is: 425,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,933.05 : 758,937.38 = 308,293.31 : x
  2. Step 2: Convert to fraction form
    549,933.05/758,937.38 = 308,293.31/x
  3. Step 3: Cross multiply
    549,933.05x = 758,937.38 × 308,293.31
  4. Step 4: Simplify right side
    549,933.05x = 233,975,311,626.77
  5. Step 5: Solve for x
    x = 233,975,311,626.77/549,933.05
  6. Step 6: Final answer
    x = 425,461.45

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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.