Home / 705,814.65-1,058,126.67-306,154.38

Finding the Fourth Proportional to 705,814.65, 1,058,126.67 and 306,154.38

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Solution

The fourth proportional to 705,814.65, 1,058,126.67 and 306,154.38 is: 458,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,814.65 : 1,058,126.67 = 306,154.38 : x
  2. Step 2: Convert to fraction form
    705,814.65/1,058,126.67 = 306,154.38/x
  3. Step 3: Cross multiply
    705,814.65x = 1,058,126.67 × 306,154.38
  4. Step 4: Simplify right side
    705,814.65x = 323,950,114,615.32
  5. Step 5: Solve for x
    x = 323,950,114,615.32/705,814.65
  6. Step 6: Final answer
    x = 458,973.35

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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.