Home / 723,040.86-997,856.10-400,852.02

Finding the Fourth Proportional to 723,040.86, 997,856.10 and 400,852.02

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Solution

The fourth proportional to 723,040.86, 997,856.10 and 400,852.02 is: 553,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,040.86 : 997,856.10 = 400,852.02 : x
  2. Step 2: Convert to fraction form
    723,040.86/997,856.10 = 400,852.02/x
  3. Step 3: Cross multiply
    723,040.86x = 997,856.10 × 400,852.02
  4. Step 4: Simplify right side
    723,040.86x = 399,992,633,354.32
  5. Step 5: Solve for x
    x = 399,992,633,354.32/723,040.86
  6. Step 6: Final answer
    x = 553,208.89

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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.