Home / 507,942.10-700,973.48-287,161.82

Finding the Fourth Proportional to 507,942.10, 700,973.48 and 287,161.82

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Solution

The fourth proportional to 507,942.10, 700,973.48 and 287,161.82 is: 396,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,942.10 : 700,973.48 = 287,161.82 : x
  2. Step 2: Convert to fraction form
    507,942.10/700,973.48 = 287,161.82/x
  3. Step 3: Cross multiply
    507,942.10x = 700,973.48 × 287,161.82
  4. Step 4: Simplify right side
    507,942.10x = 201,292,820,130.22
  5. Step 5: Solve for x
    x = 201,292,820,130.22/507,942.10
  6. Step 6: Final answer
    x = 396,290.88

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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.