Home / 349,787.64-521,953.45-312,088.62

Finding the Fourth Proportional to 349,787.64, 521,953.45 and 312,088.62

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Solution

The fourth proportional to 349,787.64, 521,953.45 and 312,088.62 is: 465,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,787.64 : 521,953.45 = 312,088.62 : x
  2. Step 2: Convert to fraction form
    349,787.64/521,953.45 = 312,088.62/x
  3. Step 3: Cross multiply
    349,787.64x = 521,953.45 × 312,088.62
  4. Step 4: Simplify right side
    349,787.64x = 162,895,731,914.74
  5. Step 5: Solve for x
    x = 162,895,731,914.74/349,787.64
  6. Step 6: Final answer
    x = 465,698.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.