Home / 762,476.76-1,052,343.90-423,054.36

Finding the Fourth Proportional to 762,476.76, 1,052,343.90 and 423,054.36

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Solution

The fourth proportional to 762,476.76, 1,052,343.90 and 423,054.36 is: 583,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,476.76 : 1,052,343.90 = 423,054.36 : x
  2. Step 2: Convert to fraction form
    762,476.76/1,052,343.90 = 423,054.36/x
  3. Step 3: Cross multiply
    762,476.76x = 1,052,343.90 × 423,054.36
  4. Step 4: Simplify right side
    762,476.76x = 445,198,675,114.40
  5. Step 5: Solve for x
    x = 445,198,675,114.40/762,476.76
  6. Step 6: Final answer
    x = 583,884.91

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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.