Home / 750,892.70-1,035,401.73-478,529.39

Finding the Fourth Proportional to 750,892.70, 1,035,401.73 and 478,529.39

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Solution

The fourth proportional to 750,892.70, 1,035,401.73 and 478,529.39 is: 659,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,892.70 : 1,035,401.73 = 478,529.39 : x
  2. Step 2: Convert to fraction form
    750,892.70/1,035,401.73 = 478,529.39/x
  3. Step 3: Cross multiply
    750,892.70x = 1,035,401.73 × 478,529.39
  4. Step 4: Simplify right side
    750,892.70x = 495,470,158,261.85
  5. Step 5: Solve for x
    x = 495,470,158,261.85/750,892.70
  6. Step 6: Final answer
    x = 659,841.49

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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.