Home / 724,282.29-999,633.26-418,303.67

Finding the Fourth Proportional to 724,282.29, 999,633.26 and 418,303.67

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Solution

The fourth proportional to 724,282.29, 999,633.26 and 418,303.67 is: 577,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,282.29 : 999,633.26 = 418,303.67 : x
  2. Step 2: Convert to fraction form
    724,282.29/999,633.26 = 418,303.67/x
  3. Step 3: Cross multiply
    724,282.29x = 999,633.26 × 418,303.67
  4. Step 4: Simplify right side
    724,282.29x = 418,150,261,312.06
  5. Step 5: Solve for x
    x = 418,150,261,312.06/724,282.29
  6. Step 6: Final answer
    x = 577,330.51

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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.