Home / 753,258.77-1,039,662.63-495,159.57

Finding the Fourth Proportional to 753,258.77, 1,039,662.63 and 495,159.57

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Solution

The fourth proportional to 753,258.77, 1,039,662.63 and 495,159.57 is: 683,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,258.77 : 1,039,662.63 = 495,159.57 : x
  2. Step 2: Convert to fraction form
    753,258.77/1,039,662.63 = 495,159.57/x
  3. Step 3: Cross multiply
    753,258.77x = 1,039,662.63 × 495,159.57
  4. Step 4: Simplify right side
    753,258.77x = 514,798,900,815.87
  5. Step 5: Solve for x
    x = 514,798,900,815.87/753,258.77
  6. Step 6: Final answer
    x = 683,429.02

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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.