Home / 652,015.06-977,332.31-219,320.60

Finding the Fourth Proportional to 652,015.06, 977,332.31 and 219,320.60

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Solution

The fourth proportional to 652,015.06, 977,332.31 and 219,320.60 is: 328,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,015.06 : 977,332.31 = 219,320.60 : x
  2. Step 2: Convert to fraction form
    652,015.06/977,332.31 = 219,320.60/x
  3. Step 3: Cross multiply
    652,015.06x = 977,332.31 × 219,320.60
  4. Step 4: Simplify right side
    652,015.06x = 214,349,108,628.59
  5. Step 5: Solve for x
    x = 214,349,108,628.59/652,015.06
  6. Step 6: Final answer
    x = 328,748.71

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1.5x scale

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.