Home / 581,433.60-871,567.20-266,116.80

Finding the Fourth Proportional to 581,433.60, 871,567.20 and 266,116.80

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Solution

The fourth proportional to 581,433.60, 871,567.20 and 266,116.80 is: 398,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,433.60 : 871,567.20 = 266,116.80 : x
  2. Step 2: Convert to fraction form
    581,433.60/871,567.20 = 266,116.80/x
  3. Step 3: Cross multiply
    581,433.60x = 871,567.20 × 266,116.80
  4. Step 4: Simplify right side
    581,433.60x = 231,938,674,248.96
  5. Step 5: Solve for x
    x = 231,938,674,248.96/581,433.60
  6. Step 6: Final answer
    x = 398,908.27

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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.