Home / 815,315.76-1,125,085.56-452,717.52

Finding the Fourth Proportional to 815,315.76, 1,125,085.56 and 452,717.52

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Solution

The fourth proportional to 815,315.76, 1,125,085.56 and 452,717.52 is: 624,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,315.76 : 1,125,085.56 = 452,717.52 : x
  2. Step 2: Convert to fraction form
    815,315.76/1,125,085.56 = 452,717.52/x
  3. Step 3: Cross multiply
    815,315.76x = 1,125,085.56 × 452,717.52
  4. Step 4: Simplify right side
    815,315.76x = 509,345,944,511.01
  5. Step 5: Solve for x
    x = 509,345,944,511.01/815,315.76
  6. Step 6: Final answer
    x = 624,722.31

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1.5x scale

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.