Home / 726,746.90-1,090,120.35-446,810.90

Finding the Fourth Proportional to 726,746.90, 1,090,120.35 and 446,810.90

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Solution

The fourth proportional to 726,746.90, 1,090,120.35 and 446,810.90 is: 670,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,746.90 : 1,090,120.35 = 446,810.90 : x
  2. Step 2: Convert to fraction form
    726,746.90/1,090,120.35 = 446,810.90/x
  3. Step 3: Cross multiply
    726,746.90x = 1,090,120.35 × 446,810.90
  4. Step 4: Simplify right side
    726,746.90x = 487,077,654,691.82
  5. Step 5: Solve for x
    x = 487,077,654,691.82/726,746.90
  6. Step 6: Final answer
    x = 670,216.35

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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.