Home / 972,939.15-1,459,408.65-493,092.21

Finding the Fourth Proportional to 972,939.15, 1,459,408.65 and 493,092.21

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Solution

The fourth proportional to 972,939.15, 1,459,408.65 and 493,092.21 is: 739,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,939.15 : 1,459,408.65 = 493,092.21 : x
  2. Step 2: Convert to fraction form
    972,939.15/1,459,408.65 = 493,092.21/x
  3. Step 3: Cross multiply
    972,939.15x = 1,459,408.65 × 493,092.21
  4. Step 4: Simplify right side
    972,939.15x = 719,623,041,532.13
  5. Step 5: Solve for x
    x = 719,623,041,532.13/972,939.15
  6. Step 6: Final answer
    x = 739,638.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.