Home / 935,650.07-1,403,629.08-287,209.98

Finding the Fourth Proportional to 935,650.07, 1,403,629.08 and 287,209.98

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Solution

The fourth proportional to 935,650.07, 1,403,629.08 and 287,209.98 is: 430,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,650.07 : 1,403,629.08 = 287,209.98 : x
  2. Step 2: Convert to fraction form
    935,650.07/1,403,629.08 = 287,209.98/x
  3. Step 3: Cross multiply
    935,650.07x = 1,403,629.08 × 287,209.98
  4. Step 4: Simplify right side
    935,650.07x = 403,136,278,917.18
  5. Step 5: Solve for x
    x = 403,136,278,917.18/935,650.07
  6. Step 6: Final answer
    x = 430,862.23

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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.