Home / 913,577.42-1,370,457.39-314,459.30

Finding the Fourth Proportional to 913,577.42, 1,370,457.39 and 314,459.30

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Solution

The fourth proportional to 913,577.42, 1,370,457.39 and 314,459.30 is: 471,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,577.42 : 1,370,457.39 = 314,459.30 : x
  2. Step 2: Convert to fraction form
    913,577.42/1,370,457.39 = 314,459.30/x
  3. Step 3: Cross multiply
    913,577.42x = 1,370,457.39 × 314,459.30
  4. Step 4: Simplify right side
    913,577.42x = 430,953,071,539.23
  5. Step 5: Solve for x
    x = 430,953,071,539.23/913,577.42
  6. Step 6: Final answer
    x = 471,720.36

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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.