Home / 920,275.48-1,380,599.84-387,796.24

Finding the Fourth Proportional to 920,275.48, 1,380,599.84 and 387,796.24

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Solution

The fourth proportional to 920,275.48, 1,380,599.84 and 387,796.24 is: 581,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,275.48 : 1,380,599.84 = 387,796.24 : x
  2. Step 2: Convert to fraction form
    920,275.48/1,380,599.84 = 387,796.24/x
  3. Step 3: Cross multiply
    920,275.48x = 1,380,599.84 × 387,796.24
  4. Step 4: Simplify right side
    920,275.48x = 535,391,426,896.60
  5. Step 5: Solve for x
    x = 535,391,426,896.60/920,275.48
  6. Step 6: Final answer
    x = 581,773.00

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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.