Home / 903,139.86-1,355,521.95-482,775.06

Finding the Fourth Proportional to 903,139.86, 1,355,521.95 and 482,775.06

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Solution

The fourth proportional to 903,139.86, 1,355,521.95 and 482,775.06 is: 724,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,139.86 : 1,355,521.95 = 482,775.06 : x
  2. Step 2: Convert to fraction form
    903,139.86/1,355,521.95 = 482,775.06/x
  3. Step 3: Cross multiply
    903,139.86x = 1,355,521.95 × 482,775.06
  4. Step 4: Simplify right side
    903,139.86x = 654,412,190,742.57
  5. Step 5: Solve for x
    x = 654,412,190,742.57/903,139.86
  6. Step 6: Final answer
    x = 724,596.73

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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.