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Finding the Fourth Proportional to 575,379.28, 793,652.88 and 381,782.80

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Solution

The fourth proportional to 575,379.28, 793,652.88 and 381,782.80 is: 526,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,379.28 : 793,652.88 = 381,782.80 : x
  2. Step 2: Convert to fraction form
    575,379.28/793,652.88 = 381,782.80/x
  3. Step 3: Cross multiply
    575,379.28x = 793,652.88 × 381,782.80
  4. Step 4: Simplify right side
    575,379.28x = 303,003,018,754.46
  5. Step 5: Solve for x
    x = 303,003,018,754.46/575,379.28
  6. Step 6: Final answer
    x = 526,614.41

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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.