Home / 777,937.32-1,072,087.92-562,712.40

Finding the Fourth Proportional to 777,937.32, 1,072,087.92 and 562,712.40

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Solution

The fourth proportional to 777,937.32, 1,072,087.92 and 562,712.40 is: 775,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,937.32 : 1,072,087.92 = 562,712.40 : x
  2. Step 2: Convert to fraction form
    777,937.32/1,072,087.92 = 562,712.40/x
  3. Step 3: Cross multiply
    777,937.32x = 1,072,087.92 × 562,712.40
  4. Step 4: Simplify right side
    777,937.32x = 603,277,166,474.21
  5. Step 5: Solve for x
    x = 603,277,166,474.21/777,937.32
  6. Step 6: Final answer
    x = 775,483.00

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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.