Home / 519,631.41-717,043.82-304,731.93

Finding the Fourth Proportional to 519,631.41, 717,043.82 and 304,731.93

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Solution

The fourth proportional to 519,631.41, 717,043.82 and 304,731.93 is: 420,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,631.41 : 717,043.82 = 304,731.93 : x
  2. Step 2: Convert to fraction form
    519,631.41/717,043.82 = 304,731.93/x
  3. Step 3: Cross multiply
    519,631.41x = 717,043.82 × 304,731.93
  4. Step 4: Simplify right side
    519,631.41x = 218,506,145,639.51
  5. Step 5: Solve for x
    x = 218,506,145,639.51/519,631.41
  6. Step 6: Final answer
    x = 420,502.19

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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.