Home / 668,058.52-1,003,087.32-578,378.56

Finding the Fourth Proportional to 668,058.52, 1,003,087.32 and 578,378.56

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Solution

The fourth proportional to 668,058.52, 1,003,087.32 and 578,378.56 is: 868,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,058.52 : 1,003,087.32 = 578,378.56 : x
  2. Step 2: Convert to fraction form
    668,058.52/1,003,087.32 = 578,378.56/x
  3. Step 3: Cross multiply
    668,058.52x = 1,003,087.32 × 578,378.56
  4. Step 4: Simplify right side
    668,058.52x = 580,164,199,695.86
  5. Step 5: Solve for x
    x = 580,164,199,695.86/668,058.52
  6. Step 6: Final answer
    x = 868,433.20

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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.