Home / 762,440.64-1,052,160.48-422,900.16

Finding the Fourth Proportional to 762,440.64, 1,052,160.48 and 422,900.16

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Solution

The fourth proportional to 762,440.64, 1,052,160.48 and 422,900.16 is: 583,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,440.64 : 1,052,160.48 = 422,900.16 : x
  2. Step 2: Convert to fraction form
    762,440.64/1,052,160.48 = 422,900.16/x
  3. Step 3: Cross multiply
    762,440.64x = 1,052,160.48 × 422,900.16
  4. Step 4: Simplify right side
    762,440.64x = 444,958,835,337.68
  5. Step 5: Solve for x
    x = 444,958,835,337.68/762,440.64
  6. Step 6: Final answer
    x = 583,598.00

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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.