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Finding the Fourth Proportional to 666,774.52, 920,141.73 and 360,844.24

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Solution

The fourth proportional to 666,774.52, 920,141.73 and 360,844.24 is: 497,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,774.52 : 920,141.73 = 360,844.24 : x
  2. Step 2: Convert to fraction form
    666,774.52/920,141.73 = 360,844.24/x
  3. Step 3: Cross multiply
    666,774.52x = 920,141.73 × 360,844.24
  4. Step 4: Simplify right side
    666,774.52x = 332,027,843,254.14
  5. Step 5: Solve for x
    x = 332,027,843,254.14/666,774.52
  6. Step 6: Final answer
    x = 497,961.20

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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.