Home / 724,014.36-999,124.48-401,717.52

Finding the Fourth Proportional to 724,014.36, 999,124.48 and 401,717.52

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Solution

The fourth proportional to 724,014.36, 999,124.48 and 401,717.52 is: 554,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,014.36 : 999,124.48 = 401,717.52 : x
  2. Step 2: Convert to fraction form
    724,014.36/999,124.48 = 401,717.52/x
  3. Step 3: Cross multiply
    724,014.36x = 999,124.48 × 401,717.52
  4. Step 4: Simplify right side
    724,014.36x = 401,365,808,276.89
  5. Step 5: Solve for x
    x = 401,365,808,276.89/724,014.36
  6. Step 6: Final answer
    x = 554,361.67

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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.