Home / 525,941.60-789,430.80-260,002.40

Finding the Fourth Proportional to 525,941.60, 789,430.80 and 260,002.40

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Solution

The fourth proportional to 525,941.60, 789,430.80 and 260,002.40 is: 390,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,941.60 : 789,430.80 = 260,002.40 : x
  2. Step 2: Convert to fraction form
    525,941.60/789,430.80 = 260,002.40/x
  3. Step 3: Cross multiply
    525,941.60x = 789,430.80 × 260,002.40
  4. Step 4: Simplify right side
    525,941.60x = 205,253,902,633.92
  5. Step 5: Solve for x
    x = 205,253,902,633.92/525,941.60
  6. Step 6: Final answer
    x = 390,259.87

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Similar ratio
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1.5x scale

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.