Home / 772,443.52-1,065,969.60-450,344.32

Finding the Fourth Proportional to 772,443.52, 1,065,969.60 and 450,344.32

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Solution

The fourth proportional to 772,443.52, 1,065,969.60 and 450,344.32 is: 621,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,443.52 : 1,065,969.60 = 450,344.32 : x
  2. Step 2: Convert to fraction form
    772,443.52/1,065,969.60 = 450,344.32/x
  3. Step 3: Cross multiply
    772,443.52x = 1,065,969.60 × 450,344.32
  4. Step 4: Simplify right side
    772,443.52x = 480,053,354,652.67
  5. Step 5: Solve for x
    x = 480,053,354,652.67/772,443.52
  6. Step 6: Final answer
    x = 621,473.73

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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.