Home / 686,051.57-1,030,019.96-349,318.46

Finding the Fourth Proportional to 686,051.57, 1,030,019.96 and 349,318.46

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Solution

The fourth proportional to 686,051.57, 1,030,019.96 and 349,318.46 is: 524,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,051.57 : 1,030,019.96 = 349,318.46 : x
  2. Step 2: Convert to fraction form
    686,051.57/1,030,019.96 = 349,318.46/x
  3. Step 3: Cross multiply
    686,051.57x = 1,030,019.96 × 349,318.46
  4. Step 4: Simplify right side
    686,051.57x = 359,804,986,196.46
  5. Step 5: Solve for x
    x = 359,804,986,196.46/686,051.57
  6. Step 6: Final answer
    x = 524,457.64

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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.