Home / 398,031.07-596,548.24-313,457.25

Finding the Fourth Proportional to 398,031.07, 596,548.24 and 313,457.25

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Solution

The fourth proportional to 398,031.07, 596,548.24 and 313,457.25 is: 469,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,031.07 : 596,548.24 = 313,457.25 : x
  2. Step 2: Convert to fraction form
    398,031.07/596,548.24 = 313,457.25/x
  3. Step 3: Cross multiply
    398,031.07x = 596,548.24 × 313,457.25
  4. Step 4: Simplify right side
    398,031.07x = 186,992,369,235.45
  5. Step 5: Solve for x
    x = 186,992,369,235.45/398,031.07
  6. Step 6: Final answer
    x = 469,793.40

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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.