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Finding the Fourth Proportional to 501,895.72, 692,617.28 and 275,555.80

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Solution

The fourth proportional to 501,895.72, 692,617.28 and 275,555.80 is: 380,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,895.72 : 692,617.28 = 275,555.80 : x
  2. Step 2: Convert to fraction form
    501,895.72/692,617.28 = 275,555.80/x
  3. Step 3: Cross multiply
    501,895.72x = 692,617.28 × 275,555.80
  4. Step 4: Simplify right side
    501,895.72x = 190,854,708,684.22
  5. Step 5: Solve for x
    x = 190,854,708,684.22/501,895.72
  6. Step 6: Final answer
    x = 380,267.66

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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.