Home / 526,632.30-790,030.40-171,563.67

Finding the Fourth Proportional to 526,632.30, 790,030.40 and 171,563.67

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Solution

The fourth proportional to 526,632.30, 790,030.40 and 171,563.67 is: 257,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,632.30 : 790,030.40 = 171,563.67 : x
  2. Step 2: Convert to fraction form
    526,632.30/790,030.40 = 171,563.67/x
  3. Step 3: Cross multiply
    526,632.30x = 790,030.40 × 171,563.67
  4. Step 4: Simplify right side
    526,632.30x = 135,540,513,977.75
  5. Step 5: Solve for x
    x = 135,540,513,977.75/526,632.30
  6. Step 6: Final answer
    x = 257,372.20

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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.