Home / 790,911.36-1,091,535.60-451,430.64

Finding the Fourth Proportional to 790,911.36, 1,091,535.60 and 451,430.64

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Solution

The fourth proportional to 790,911.36, 1,091,535.60 and 451,430.64 is: 623,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,911.36 : 1,091,535.60 = 451,430.64 : x
  2. Step 2: Convert to fraction form
    790,911.36/1,091,535.60 = 451,430.64/x
  3. Step 3: Cross multiply
    790,911.36x = 1,091,535.60 × 451,430.64
  4. Step 4: Simplify right side
    790,911.36x = 492,752,614,490.78
  5. Step 5: Solve for x
    x = 492,752,614,490.78/790,911.36
  6. Step 6: Final answer
    x = 623,018.76

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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.