Home / 695,814.40-1,043,721.60-474,630.40

Finding the Fourth Proportional to 695,814.40, 1,043,721.60 and 474,630.40

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Solution

The fourth proportional to 695,814.40, 1,043,721.60 and 474,630.40 is: 711,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,814.40 : 1,043,721.60 = 474,630.40 : x
  2. Step 2: Convert to fraction form
    695,814.40/1,043,721.60 = 474,630.40/x
  3. Step 3: Cross multiply
    695,814.40x = 1,043,721.60 × 474,630.40
  4. Step 4: Simplify right side
    695,814.40x = 495,382,000,496.64
  5. Step 5: Solve for x
    x = 495,382,000,496.64/695,814.40
  6. Step 6: Final answer
    x = 711,945.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.