Home / 668,707.79-1,002,828.40-294,526.67

Finding the Fourth Proportional to 668,707.79, 1,002,828.40 and 294,526.67

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Solution

The fourth proportional to 668,707.79, 1,002,828.40 and 294,526.67 is: 441,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,707.79 : 1,002,828.40 = 294,526.67 : x
  2. Step 2: Convert to fraction form
    668,707.79/1,002,828.40 = 294,526.67/x
  3. Step 3: Cross multiply
    668,707.79x = 1,002,828.40 × 294,526.67
  4. Step 4: Simplify right side
    668,707.79x = 295,359,703,482.97
  5. Step 5: Solve for x
    x = 295,359,703,482.97/668,707.79
  6. Step 6: Final answer
    x = 441,687.25

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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.