Home / 727,569.85-1,004,063.93-405,285.07

Finding the Fourth Proportional to 727,569.85, 1,004,063.93 and 405,285.07

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Solution

The fourth proportional to 727,569.85, 1,004,063.93 and 405,285.07 is: 559,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,569.85 : 1,004,063.93 = 405,285.07 : x
  2. Step 2: Convert to fraction form
    727,569.85/1,004,063.93 = 405,285.07/x
  3. Step 3: Cross multiply
    727,569.85x = 1,004,063.93 × 405,285.07
  4. Step 4: Simplify right side
    727,569.85x = 406,932,120,154.53
  5. Step 5: Solve for x
    x = 406,932,120,154.53/727,569.85
  6. Step 6: Final answer
    x = 559,303.17

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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.