Home / 727,871.06-1,004,451.90-405,594.74

Finding the Fourth Proportional to 727,871.06, 1,004,451.90 and 405,594.74

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Solution

The fourth proportional to 727,871.06, 1,004,451.90 and 405,594.74 is: 559,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,871.06 : 1,004,451.90 = 405,594.74 : x
  2. Step 2: Convert to fraction form
    727,871.06/1,004,451.90 = 405,594.74/x
  3. Step 3: Cross multiply
    727,871.06x = 1,004,451.90 × 405,594.74
  4. Step 4: Simplify right side
    727,871.06x = 407,400,407,223.01
  5. Step 5: Solve for x
    x = 407,400,407,223.01/727,871.06
  6. Step 6: Final answer
    x = 559,715.08

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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.