Home / 742,382.88-1,113,482.79-316,090.14

Finding the Fourth Proportional to 742,382.88, 1,113,482.79 and 316,090.14

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Solution

The fourth proportional to 742,382.88, 1,113,482.79 and 316,090.14 is: 474,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,382.88 : 1,113,482.79 = 316,090.14 : x
  2. Step 2: Convert to fraction form
    742,382.88/1,113,482.79 = 316,090.14/x
  3. Step 3: Cross multiply
    742,382.88x = 1,113,482.79 × 316,090.14
  4. Step 4: Simplify right side
    742,382.88x = 351,960,930,978.69
  5. Step 5: Solve for x
    x = 351,960,930,978.69/742,382.88
  6. Step 6: Final answer
    x = 474,096.24

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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.