Home / 435,057.13-652,559.37-258,686.52

Finding the Fourth Proportional to 435,057.13, 652,559.37 and 258,686.52

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Solution

The fourth proportional to 435,057.13, 652,559.37 and 258,686.52 is: 388,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,057.13 : 652,559.37 = 258,686.52 : x
  2. Step 2: Convert to fraction form
    435,057.13/652,559.37 = 258,686.52/x
  3. Step 3: Cross multiply
    435,057.13x = 652,559.37 × 258,686.52
  4. Step 4: Simplify right side
    435,057.13x = 168,808,312,518.69
  5. Step 5: Solve for x
    x = 168,808,312,518.69/435,057.13
  6. Step 6: Final answer
    x = 388,014.13

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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.