Home / 652,025.70-976,726.35-439,449.30

Finding the Fourth Proportional to 652,025.70, 976,726.35 and 439,449.30

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Solution

The fourth proportional to 652,025.70, 976,726.35 and 439,449.30 is: 658,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,025.70 : 976,726.35 = 439,449.30 : x
  2. Step 2: Convert to fraction form
    652,025.70/976,726.35 = 439,449.30/x
  3. Step 3: Cross multiply
    652,025.70x = 976,726.35 × 439,449.30
  4. Step 4: Simplify right side
    652,025.70x = 429,221,710,799.06
  5. Step 5: Solve for x
    x = 429,221,710,799.06/652,025.70
  6. Step 6: Final answer
    x = 658,289.56

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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.