Home / 753,394.23-1,039,956.98-498,827.43

Finding the Fourth Proportional to 753,394.23, 1,039,956.98 and 498,827.43

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Solution

The fourth proportional to 753,394.23, 1,039,956.98 and 498,827.43 is: 688,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,394.23 : 1,039,956.98 = 498,827.43 : x
  2. Step 2: Convert to fraction form
    753,394.23/1,039,956.98 = 498,827.43/x
  3. Step 3: Cross multiply
    753,394.23x = 1,039,956.98 × 498,827.43
  4. Step 4: Simplify right side
    753,394.23x = 518,759,065,149.82
  5. Step 5: Solve for x
    x = 518,759,065,149.82/753,394.23
  6. Step 6: Final answer
    x = 688,562.57

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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.