Home / 753,601.04-1,039,256.88-495,021.76

Finding the Fourth Proportional to 753,601.04, 1,039,256.88 and 495,021.76

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Solution

The fourth proportional to 753,601.04, 1,039,256.88 and 495,021.76 is: 682,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,601.04 : 1,039,256.88 = 495,021.76 : x
  2. Step 2: Convert to fraction form
    753,601.04/1,039,256.88 = 495,021.76/x
  3. Step 3: Cross multiply
    753,601.04x = 1,039,256.88 × 495,021.76
  4. Step 4: Simplify right side
    753,601.04x = 514,454,769,829.71
  5. Step 5: Solve for x
    x = 514,454,769,829.71/753,601.04
  6. Step 6: Final answer
    x = 682,661.97

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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.