Home / 709,061.85-1,063,430.57-203,618.81

Finding the Fourth Proportional to 709,061.85, 1,063,430.57 and 203,618.81

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Solution

The fourth proportional to 709,061.85, 1,063,430.57 and 203,618.81 is: 305,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,061.85 : 1,063,430.57 = 203,618.81 : x
  2. Step 2: Convert to fraction form
    709,061.85/1,063,430.57 = 203,618.81/x
  3. Step 3: Cross multiply
    709,061.85x = 1,063,430.57 × 203,618.81
  4. Step 4: Simplify right side
    709,061.85x = 216,534,470,348.65
  5. Step 5: Solve for x
    x = 216,534,470,348.65/709,061.85
  6. Step 6: Final answer
    x = 305,381.64

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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.