Home / 756,641.25-1,044,186.80-417,131.37

Finding the Fourth Proportional to 756,641.25, 1,044,186.80 and 417,131.37

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Solution

The fourth proportional to 756,641.25, 1,044,186.80 and 417,131.37 is: 575,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,641.25 : 1,044,186.80 = 417,131.37 : x
  2. Step 2: Convert to fraction form
    756,641.25/1,044,186.80 = 417,131.37/x
  3. Step 3: Cross multiply
    756,641.25x = 1,044,186.80 × 417,131.37
  4. Step 4: Simplify right side
    756,641.25x = 435,563,068,334.26
  5. Step 5: Solve for x
    x = 435,563,068,334.26/756,641.25
  6. Step 6: Final answer
    x = 575,653.35

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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.