Home / 762,376.16-1,142,820.65-362,909.67

Finding the Fourth Proportional to 762,376.16, 1,142,820.65 and 362,909.67

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Solution

The fourth proportional to 762,376.16, 1,142,820.65 and 362,909.67 is: 544,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,376.16 : 1,142,820.65 = 362,909.67 : x
  2. Step 2: Convert to fraction form
    762,376.16/1,142,820.65 = 362,909.67/x
  3. Step 3: Cross multiply
    762,376.16x = 1,142,820.65 × 362,909.67
  4. Step 4: Simplify right side
    762,376.16x = 414,740,663,146.14
  5. Step 5: Solve for x
    x = 414,740,663,146.14/762,376.16
  6. Step 6: Final answer
    x = 544,010.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.