Home / 762,682.77-1,052,502.35-423,150.21

Finding the Fourth Proportional to 762,682.77, 1,052,502.35 and 423,150.21

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Solution

The fourth proportional to 762,682.77, 1,052,502.35 and 423,150.21 is: 583,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,682.77 : 1,052,502.35 = 423,150.21 : x
  2. Step 2: Convert to fraction form
    762,682.77/1,052,502.35 = 423,150.21/x
  3. Step 3: Cross multiply
    762,682.77x = 1,052,502.35 × 423,150.21
  4. Step 4: Simplify right side
    762,682.77x = 445,366,590,427.99
  5. Step 5: Solve for x
    x = 445,366,590,427.99/762,682.77
  6. Step 6: Final answer
    x = 583,947.36

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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.