Home / 505,535.16-755,025.27-458,055.48

Finding the Fourth Proportional to 505,535.16, 755,025.27 and 458,055.48

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Solution

The fourth proportional to 505,535.16, 755,025.27 and 458,055.48 is: 684,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,535.16 : 755,025.27 = 458,055.48 : x
  2. Step 2: Convert to fraction form
    505,535.16/755,025.27 = 458,055.48/x
  3. Step 3: Cross multiply
    505,535.16x = 755,025.27 × 458,055.48
  4. Step 4: Simplify right side
    505,535.16x = 345,843,462,461.98
  5. Step 5: Solve for x
    x = 345,843,462,461.98/505,535.16
  6. Step 6: Final answer
    x = 684,113.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.