Home / 885,723.90-1,328,585.85-352,970.70

Finding the Fourth Proportional to 885,723.90, 1,328,585.85 and 352,970.70

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Solution

The fourth proportional to 885,723.90, 1,328,585.85 and 352,970.70 is: 529,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,723.90 : 1,328,585.85 = 352,970.70 : x
  2. Step 2: Convert to fraction form
    885,723.90/1,328,585.85 = 352,970.70/x
  3. Step 3: Cross multiply
    885,723.90x = 1,328,585.85 × 352,970.70
  4. Step 4: Simplify right side
    885,723.90x = 468,951,877,484.60
  5. Step 5: Solve for x
    x = 468,951,877,484.60/885,723.90
  6. Step 6: Final answer
    x = 529,456.05

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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.