Home / 945,321.63-1,418,613.03-490,332.21

Finding the Fourth Proportional to 945,321.63, 1,418,613.03 and 490,332.21

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Solution

The fourth proportional to 945,321.63, 1,418,613.03 and 490,332.21 is: 735,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,321.63 : 1,418,613.03 = 490,332.21 : x
  2. Step 2: Convert to fraction form
    945,321.63/1,418,613.03 = 490,332.21/x
  3. Step 3: Cross multiply
    945,321.63x = 1,418,613.03 × 490,332.21
  4. Step 4: Simplify right side
    945,321.63x = 695,591,662,134.70
  5. Step 5: Solve for x
    x = 695,591,662,134.70/945,321.63
  6. Step 6: Final answer
    x = 735,825.40

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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.