Home / 885,670.98-1,328,713.83-286,607.94

Finding the Fourth Proportional to 885,670.98, 1,328,713.83 and 286,607.94

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Solution

The fourth proportional to 885,670.98, 1,328,713.83 and 286,607.94 is: 429,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,670.98 : 1,328,713.83 = 286,607.94 : x
  2. Step 2: Convert to fraction form
    885,670.98/1,328,713.83 = 286,607.94/x
  3. Step 3: Cross multiply
    885,670.98x = 1,328,713.83 × 286,607.94
  4. Step 4: Simplify right side
    885,670.98x = 380,819,933,665.81
  5. Step 5: Solve for x
    x = 380,819,933,665.81/885,670.98
  6. Step 6: Final answer
    x = 429,979.01

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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.