Home / 918,416.96-1,267,430.60-504,971.24

Finding the Fourth Proportional to 918,416.96, 1,267,430.60 and 504,971.24

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Solution

The fourth proportional to 918,416.96, 1,267,430.60 and 504,971.24 is: 696,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,416.96 : 1,267,430.60 = 504,971.24 : x
  2. Step 2: Convert to fraction form
    918,416.96/1,267,430.60 = 504,971.24/x
  3. Step 3: Cross multiply
    918,416.96x = 1,267,430.60 × 504,971.24
  4. Step 4: Simplify right side
    918,416.96x = 640,016,001,695.94
  5. Step 5: Solve for x
    x = 640,016,001,695.94/918,416.96
  6. Step 6: Final answer
    x = 696,868.67

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1.5x scale

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.