Home / 348,318.24-521,472.96-312,302.40

Finding the Fourth Proportional to 348,318.24, 521,472.96 and 312,302.40

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Solution

The fourth proportional to 348,318.24, 521,472.96 and 312,302.40 is: 467,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,318.24 : 521,472.96 = 312,302.40 : x
  2. Step 2: Convert to fraction form
    348,318.24/521,472.96 = 312,302.40/x
  3. Step 3: Cross multiply
    348,318.24x = 521,472.96 × 312,302.40
  4. Step 4: Simplify right side
    348,318.24x = 162,857,256,943.10
  5. Step 5: Solve for x
    x = 162,857,256,943.10/348,318.24
  6. Step 6: Final answer
    x = 467,553.05

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1.5x scale

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.