Home / 786,272.85-1,178,546.28-448,577.07

Finding the Fourth Proportional to 786,272.85, 1,178,546.28 and 448,577.07

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Solution

The fourth proportional to 786,272.85, 1,178,546.28 and 448,577.07 is: 672,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,272.85 : 1,178,546.28 = 448,577.07 : x
  2. Step 2: Convert to fraction form
    786,272.85/1,178,546.28 = 448,577.07/x
  3. Step 3: Cross multiply
    786,272.85x = 1,178,546.28 × 448,577.07
  4. Step 4: Simplify right side
    786,272.85x = 528,668,837,141.80
  5. Step 5: Solve for x
    x = 528,668,837,141.80/786,272.85
  6. Step 6: Final answer
    x = 672,373.26

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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.