Home / 549,330.28-758,075.68-304,330.96

Finding the Fourth Proportional to 549,330.28, 758,075.68 and 304,330.96

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Solution

The fourth proportional to 549,330.28, 758,075.68 and 304,330.96 is: 419,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,330.28 : 758,075.68 = 304,330.96 : x
  2. Step 2: Convert to fraction form
    549,330.28/758,075.68 = 304,330.96/x
  3. Step 3: Cross multiply
    549,330.28x = 758,075.68 × 304,330.96
  4. Step 4: Simplify right side
    549,330.28x = 230,705,900,775.06
  5. Step 5: Solve for x
    x = 230,705,900,775.06/549,330.28
  6. Step 6: Final answer
    x = 419,976.67

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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.