Home / 930,288.07-1,393,563.72-424,152.82

Finding the Fourth Proportional to 930,288.07, 1,393,563.72 and 424,152.82

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Solution

The fourth proportional to 930,288.07, 1,393,563.72 and 424,152.82 is: 635,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,288.07 : 1,393,563.72 = 424,152.82 : x
  2. Step 2: Convert to fraction form
    930,288.07/1,393,563.72 = 424,152.82/x
  3. Step 3: Cross multiply
    930,288.07x = 1,393,563.72 × 424,152.82
  4. Step 4: Simplify right side
    930,288.07x = 591,083,985,020.22
  5. Step 5: Solve for x
    x = 591,083,985,020.22/930,288.07
  6. Step 6: Final answer
    x = 635,377.37

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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.