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Finding the Fourth Proportional to 453,989.58, 626,481.41 and 260,387.24

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Solution

The fourth proportional to 453,989.58, 626,481.41 and 260,387.24 is: 359,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,989.58 : 626,481.41 = 260,387.24 : x
  2. Step 2: Convert to fraction form
    453,989.58/626,481.41 = 260,387.24/x
  3. Step 3: Cross multiply
    453,989.58x = 626,481.41 × 260,387.24
  4. Step 4: Simplify right side
    453,989.58x = 163,127,760,826.87
  5. Step 5: Solve for x
    x = 163,127,760,826.87/453,989.58
  6. Step 6: Final answer
    x = 359,320.50

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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.