Home / 713,315.63-1,070,437.10-308,902.79

Finding the Fourth Proportional to 713,315.63, 1,070,437.10 and 308,902.79

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Solution

The fourth proportional to 713,315.63, 1,070,437.10 and 308,902.79 is: 463,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,315.63 : 1,070,437.10 = 308,902.79 : x
  2. Step 2: Convert to fraction form
    713,315.63/1,070,437.10 = 308,902.79/x
  3. Step 3: Cross multiply
    713,315.63x = 1,070,437.10 × 308,902.79
  4. Step 4: Simplify right side
    713,315.63x = 330,660,999,812.81
  5. Step 5: Solve for x
    x = 330,660,999,812.81/713,315.63
  6. Step 6: Final answer
    x = 463,554.97

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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.