Home / 770,586.22-1,063,622.70-448,358.56

Finding the Fourth Proportional to 770,586.22, 1,063,622.70 and 448,358.56

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Solution

The fourth proportional to 770,586.22, 1,063,622.70 and 448,358.56 is: 618,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,586.22 : 1,063,622.70 = 448,358.56 : x
  2. Step 2: Convert to fraction form
    770,586.22/1,063,622.70 = 448,358.56/x
  3. Step 3: Cross multiply
    770,586.22x = 1,063,622.70 × 448,358.56
  4. Step 4: Simplify right side
    770,586.22x = 476,884,342,155.31
  5. Step 5: Solve for x
    x = 476,884,342,155.31/770,586.22
  6. Step 6: Final answer
    x = 618,859.16

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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.