Home / 723,925.28-999,043.58-437,390

Finding the Fourth Proportional to 723,925.28, 999,043.58 and 437,390

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Solution

The fourth proportional to 723,925.28, 999,043.58 and 437,390 is: 603,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,925.28 : 999,043.58 = 437,390 : x
  2. Step 2: Convert to fraction form
    723,925.28/999,043.58 = 437,390/x
  3. Step 3: Cross multiply
    723,925.28x = 999,043.58 × 437,390
  4. Step 4: Simplify right side
    723,925.28x = 436,971,671,456.20
  5. Step 5: Solve for x
    x = 436,971,671,456.20/723,925.28
  6. Step 6: Final answer
    x = 603,614.33

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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.