Home / 726,738.90-1,090,108.35-446,802.90

Finding the Fourth Proportional to 726,738.90, 1,090,108.35 and 446,802.90

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Solution

The fourth proportional to 726,738.90, 1,090,108.35 and 446,802.90 is: 670,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,738.90 : 1,090,108.35 = 446,802.90 : x
  2. Step 2: Convert to fraction form
    726,738.90/1,090,108.35 = 446,802.90/x
  3. Step 3: Cross multiply
    726,738.90x = 1,090,108.35 × 446,802.90
  4. Step 4: Simplify right side
    726,738.90x = 487,063,572,094.22
  5. Step 5: Solve for x
    x = 487,063,572,094.22/726,738.90
  6. Step 6: Final answer
    x = 670,204.35

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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.