Home / 772,057.48-1,065,498.36-445,429

Finding the Fourth Proportional to 772,057.48, 1,065,498.36 and 445,429

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Solution

The fourth proportional to 772,057.48, 1,065,498.36 and 445,429 is: 614,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,057.48 : 1,065,498.36 = 445,429 : x
  2. Step 2: Convert to fraction form
    772,057.48/1,065,498.36 = 445,429/x
  3. Step 3: Cross multiply
    772,057.48x = 1,065,498.36 × 445,429
  4. Step 4: Simplify right side
    772,057.48x = 474,603,868,996.44
  5. Step 5: Solve for x
    x = 474,603,868,996.44/772,057.48
  6. Step 6: Final answer
    x = 614,726.08

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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.