Home / 706,068.15-1,058,506.90-306,407.77

Finding the Fourth Proportional to 706,068.15, 1,058,506.90 and 306,407.77

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Solution

The fourth proportional to 706,068.15, 1,058,506.90 and 306,407.77 is: 459,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,068.15 : 1,058,506.90 = 306,407.77 : x
  2. Step 2: Convert to fraction form
    706,068.15/1,058,506.90 = 306,407.77/x
  3. Step 3: Cross multiply
    706,068.15x = 1,058,506.90 × 306,407.77
  4. Step 4: Simplify right side
    706,068.15x = 324,334,738,758.61
  5. Step 5: Solve for x
    x = 324,334,738,758.61/706,068.15
  6. Step 6: Final answer
    x = 459,353.31

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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.