Home / 665,319.51-997,723.66-523,443.35

Finding the Fourth Proportional to 665,319.51, 997,723.66 and 523,443.35

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Solution

The fourth proportional to 665,319.51, 997,723.66 and 523,443.35 is: 784,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,319.51 : 997,723.66 = 523,443.35 : x
  2. Step 2: Convert to fraction form
    665,319.51/997,723.66 = 523,443.35/x
  3. Step 3: Cross multiply
    665,319.51x = 997,723.66 × 523,443.35
  4. Step 4: Simplify right side
    665,319.51x = 522,251,814,964.66
  5. Step 5: Solve for x
    x = 522,251,814,964.66/665,319.51
  6. Step 6: Final answer
    x = 784,963.93

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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.