Home / 756,066.70-1,134,428.10-382,089.70

Finding the Fourth Proportional to 756,066.70, 1,134,428.10 and 382,089.70

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Solution

The fourth proportional to 756,066.70, 1,134,428.10 and 382,089.70 is: 573,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,066.70 : 1,134,428.10 = 382,089.70 : x
  2. Step 2: Convert to fraction form
    756,066.70/1,134,428.10 = 382,089.70/x
  3. Step 3: Cross multiply
    756,066.70x = 1,134,428.10 × 382,089.70
  4. Step 4: Simplify right side
    756,066.70x = 433,453,292,400.57
  5. Step 5: Solve for x
    x = 433,453,292,400.57/756,066.70
  6. Step 6: Final answer
    x = 573,300.34

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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.