Home / 723,072.36-997,899.60-400,883.52

Finding the Fourth Proportional to 723,072.36, 997,899.60 and 400,883.52

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Solution

The fourth proportional to 723,072.36, 997,899.60 and 400,883.52 is: 553,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,072.36 : 997,899.60 = 400,883.52 : x
  2. Step 2: Convert to fraction form
    723,072.36/997,899.60 = 400,883.52/x
  3. Step 3: Cross multiply
    723,072.36x = 997,899.60 × 400,883.52
  4. Step 4: Simplify right side
    723,072.36x = 400,041,504,254.59
  5. Step 5: Solve for x
    x = 400,041,504,254.59/723,072.36
  6. Step 6: Final answer
    x = 553,252.38

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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.