Home / 807,279.64-1,113,988.38-480,575.32

Finding the Fourth Proportional to 807,279.64, 1,113,988.38 and 480,575.32

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Solution

The fourth proportional to 807,279.64, 1,113,988.38 and 480,575.32 is: 663,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,279.64 : 1,113,988.38 = 480,575.32 : x
  2. Step 2: Convert to fraction form
    807,279.64/1,113,988.38 = 480,575.32/x
  3. Step 3: Cross multiply
    807,279.64x = 1,113,988.38 × 480,575.32
  4. Step 4: Simplify right side
    807,279.64x = 535,355,322,194.78
  5. Step 5: Solve for x
    x = 535,355,322,194.78/807,279.64
  6. Step 6: Final answer
    x = 663,159.70

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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.