Home / 753,341.20-1,039,907.08-451,476.88

Finding the Fourth Proportional to 753,341.20, 1,039,907.08 and 451,476.88

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Solution

The fourth proportional to 753,341.20, 1,039,907.08 and 451,476.88 is: 623,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,341.20 : 1,039,907.08 = 451,476.88 : x
  2. Step 2: Convert to fraction form
    753,341.20/1,039,907.08 = 451,476.88/x
  3. Step 3: Cross multiply
    753,341.20x = 1,039,907.08 × 451,476.88
  4. Step 4: Simplify right side
    753,341.20x = 469,494,003,968.31
  5. Step 5: Solve for x
    x = 469,494,003,968.31/753,341.20
  6. Step 6: Final answer
    x = 623,215.62

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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.