Home / 891,430.31-1,337,342.30-330,464.81

Finding the Fourth Proportional to 891,430.31, 1,337,342.30 and 330,464.81

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Solution

The fourth proportional to 891,430.31, 1,337,342.30 and 330,464.81 is: 495,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,430.31 : 1,337,342.30 = 330,464.81 : x
  2. Step 2: Convert to fraction form
    891,430.31/1,337,342.30 = 330,464.81/x
  3. Step 3: Cross multiply
    891,430.31x = 1,337,342.30 × 330,464.81
  4. Step 4: Simplify right side
    891,430.31x = 441,944,572,004.74
  5. Step 5: Solve for x
    x = 441,944,572,004.74/891,430.31
  6. Step 6: Final answer
    x = 495,770.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.