Home / 775,867.68-1,070,690.40-436,328.64

Finding the Fourth Proportional to 775,867.68, 1,070,690.40 and 436,328.64

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Solution

The fourth proportional to 775,867.68, 1,070,690.40 and 436,328.64 is: 602,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,867.68 : 1,070,690.40 = 436,328.64 : x
  2. Step 2: Convert to fraction form
    775,867.68/1,070,690.40 = 436,328.64/x
  3. Step 3: Cross multiply
    775,867.68x = 1,070,690.40 × 436,328.64
  4. Step 4: Simplify right side
    775,867.68x = 467,172,886,093.06
  5. Step 5: Solve for x
    x = 467,172,886,093.06/775,867.68
  6. Step 6: Final answer
    x = 602,129.59

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Double scale
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1.5x scale

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.