Home / 891,856.60-1,231,146.06-547,748.32

Finding the Fourth Proportional to 891,856.60, 1,231,146.06 and 547,748.32

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Solution

The fourth proportional to 891,856.60, 1,231,146.06 and 547,748.32 is: 756,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,856.60 : 1,231,146.06 = 547,748.32 : x
  2. Step 2: Convert to fraction form
    891,856.60/1,231,146.06 = 547,748.32/x
  3. Step 3: Cross multiply
    891,856.60x = 1,231,146.06 × 547,748.32
  4. Step 4: Simplify right side
    891,856.60x = 674,358,186,039.62
  5. Step 5: Solve for x
    x = 674,358,186,039.62/891,856.60
  6. Step 6: Final answer
    x = 756,128.49

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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.