Home / 549,932.55-758,936.69-308,292.81

Finding the Fourth Proportional to 549,932.55, 758,936.69 and 308,292.81

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Solution

The fourth proportional to 549,932.55, 758,936.69 and 308,292.81 is: 425,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,932.55 : 758,936.69 = 308,292.81 : x
  2. Step 2: Convert to fraction form
    549,932.55/758,936.69 = 308,292.81/x
  3. Step 3: Cross multiply
    549,932.55x = 758,936.69 × 308,292.81
  4. Step 4: Simplify right side
    549,932.55x = 233,974,724,772.20
  5. Step 5: Solve for x
    x = 233,974,724,772.20/549,932.55
  6. Step 6: Final answer
    x = 425,460.77

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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.