Home / 479,926.46-720,038.26-288,015.19

Finding the Fourth Proportional to 479,926.46, 720,038.26 and 288,015.19

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Solution

The fourth proportional to 479,926.46, 720,038.26 and 288,015.19 is: 432,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,926.46 : 720,038.26 = 288,015.19 : x
  2. Step 2: Convert to fraction form
    479,926.46/720,038.26 = 288,015.19/x
  3. Step 3: Cross multiply
    479,926.46x = 720,038.26 × 288,015.19
  4. Step 4: Simplify right side
    479,926.46x = 207,381,953,741.04
  5. Step 5: Solve for x
    x = 207,381,953,741.04/479,926.46
  6. Step 6: Final answer
    x = 432,111.94

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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.