Home / 762,478.26-1,052,346.15-423,055.86

Finding the Fourth Proportional to 762,478.26, 1,052,346.15 and 423,055.86

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Solution

The fourth proportional to 762,478.26, 1,052,346.15 and 423,055.86 is: 583,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,478.26 : 1,052,346.15 = 423,055.86 : x
  2. Step 2: Convert to fraction form
    762,478.26/1,052,346.15 = 423,055.86/x
  3. Step 3: Cross multiply
    762,478.26x = 1,052,346.15 × 423,055.86
  4. Step 4: Simplify right side
    762,478.26x = 445,201,205,505.94
  5. Step 5: Solve for x
    x = 445,201,205,505.94/762,478.26
  6. Step 6: Final answer
    x = 583,887.08

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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.