Home / 996,812.40-1,495,239.78-357,157.80

Finding the Fourth Proportional to 996,812.40, 1,495,239.78 and 357,157.80

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Solution

The fourth proportional to 996,812.40, 1,495,239.78 and 357,157.80 is: 535,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,812.40 : 1,495,239.78 = 357,157.80 : x
  2. Step 2: Convert to fraction form
    996,812.40/1,495,239.78 = 357,157.80/x
  3. Step 3: Cross multiply
    996,812.40x = 1,495,239.78 × 357,157.80
  4. Step 4: Simplify right side
    996,812.40x = 534,036,550,297.28
  5. Step 5: Solve for x
    x = 534,036,550,297.28/996,812.40
  6. Step 6: Final answer
    x = 535,744.29

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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.