Home / 549,263.70-757,917.54-307,527.30

Finding the Fourth Proportional to 549,263.70, 757,917.54 and 307,527.30

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Solution

The fourth proportional to 549,263.70, 757,917.54 and 307,527.30 is: 424,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,263.70 : 757,917.54 = 307,527.30 : x
  2. Step 2: Convert to fraction form
    549,263.70/757,917.54 = 307,527.30/x
  3. Step 3: Cross multiply
    549,263.70x = 757,917.54 × 307,527.30
  4. Step 4: Simplify right side
    549,263.70x = 233,080,334,698.84
  5. Step 5: Solve for x
    x = 233,080,334,698.84/549,263.70
  6. Step 6: Final answer
    x = 424,350.52

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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.