Home / 959,892.60-1,440,011.70-398,983.80

Finding the Fourth Proportional to 959,892.60, 1,440,011.70 and 398,983.80

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Solution

The fourth proportional to 959,892.60, 1,440,011.70 and 398,983.80 is: 598,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,892.60 : 1,440,011.70 = 398,983.80 : x
  2. Step 2: Convert to fraction form
    959,892.60/1,440,011.70 = 398,983.80/x
  3. Step 3: Cross multiply
    959,892.60x = 1,440,011.70 × 398,983.80
  4. Step 4: Simplify right side
    959,892.60x = 574,541,340,110.46
  5. Step 5: Solve for x
    x = 574,541,340,110.46/959,892.60
  6. Step 6: Final answer
    x = 598,547.53

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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.