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Finding the Fourth Proportional to 671,065.07, 926,108.12 and 384,632.87

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Solution

The fourth proportional to 671,065.07, 926,108.12 and 384,632.87 is: 530,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,065.07 : 926,108.12 = 384,632.87 : x
  2. Step 2: Convert to fraction form
    671,065.07/926,108.12 = 384,632.87/x
  3. Step 3: Cross multiply
    671,065.07x = 926,108.12 × 384,632.87
  4. Step 4: Simplify right side
    671,065.07x = 356,211,622,202.74
  5. Step 5: Solve for x
    x = 356,211,622,202.74/671,065.07
  6. Step 6: Final answer
    x = 530,815.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.