Home / 723,062.36-997,885.80-400,873.52

Finding the Fourth Proportional to 723,062.36, 997,885.80 and 400,873.52

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Solution

The fourth proportional to 723,062.36, 997,885.80 and 400,873.52 is: 553,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,062.36 : 997,885.80 = 400,873.52 : x
  2. Step 2: Convert to fraction form
    723,062.36/997,885.80 = 400,873.52/x
  3. Step 3: Cross multiply
    723,062.36x = 997,885.80 × 400,873.52
  4. Step 4: Simplify right side
    723,062.36x = 400,025,993,204.02
  5. Step 5: Solve for x
    x = 400,025,993,204.02/723,062.36
  6. Step 6: Final answer
    x = 553,238.58

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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.