Home / 753,457.52-1,039,771.76-413,947.64

Finding the Fourth Proportional to 753,457.52, 1,039,771.76 and 413,947.64

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Solution

The fourth proportional to 753,457.52, 1,039,771.76 and 413,947.64 is: 571,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,457.52 : 1,039,771.76 = 413,947.64 : x
  2. Step 2: Convert to fraction form
    753,457.52/1,039,771.76 = 413,947.64/x
  3. Step 3: Cross multiply
    753,457.52x = 1,039,771.76 × 413,947.64
  4. Step 4: Simplify right side
    753,457.52x = 430,411,066,190.65
  5. Step 5: Solve for x
    x = 430,411,066,190.65/753,457.52
  6. Step 6: Final answer
    x = 571,247.95

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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.