Home / 659,013.03-909,477.21-372,559.77

Finding the Fourth Proportional to 659,013.03, 909,477.21 and 372,559.77

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Solution

The fourth proportional to 659,013.03, 909,477.21 and 372,559.77 is: 514,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,013.03 : 909,477.21 = 372,559.77 : x
  2. Step 2: Convert to fraction form
    659,013.03/909,477.21 = 372,559.77/x
  3. Step 3: Cross multiply
    659,013.03x = 909,477.21 × 372,559.77
  4. Step 4: Simplify right side
    659,013.03x = 338,834,623,840.06
  5. Step 5: Solve for x
    x = 338,834,623,840.06/659,013.03
  6. Step 6: Final answer
    x = 514,154.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.