Home / 665,320.51-997,725.16-523,444.35

Finding the Fourth Proportional to 665,320.51, 997,725.16 and 523,444.35

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Solution

The fourth proportional to 665,320.51, 997,725.16 and 523,444.35 is: 784,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,320.51 : 997,725.16 = 523,444.35 : x
  2. Step 2: Convert to fraction form
    665,320.51/997,725.16 = 523,444.35/x
  3. Step 3: Cross multiply
    665,320.51x = 997,725.16 × 523,444.35
  4. Step 4: Simplify right side
    665,320.51x = 522,253,597,854.85
  5. Step 5: Solve for x
    x = 522,253,597,854.85/665,320.51
  6. Step 6: Final answer
    x = 784,965.43

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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.