Home / 711,998.89-982,452.81-432,450.71

Finding the Fourth Proportional to 711,998.89, 982,452.81 and 432,450.71

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Solution

The fourth proportional to 711,998.89, 982,452.81 and 432,450.71 is: 596,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,998.89 : 982,452.81 = 432,450.71 : x
  2. Step 2: Convert to fraction form
    711,998.89/982,452.81 = 432,450.71/x
  3. Step 3: Cross multiply
    711,998.89x = 982,452.81 × 432,450.71
  4. Step 4: Simplify right side
    711,998.89x = 424,862,421,145.92
  5. Step 5: Solve for x
    x = 424,862,421,145.92/711,998.89
  6. Step 6: Final answer
    x = 596,717.81

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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.