Home / 885,669.48-1,328,711.58-286,606.44

Finding the Fourth Proportional to 885,669.48, 1,328,711.58 and 286,606.44

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Solution

The fourth proportional to 885,669.48, 1,328,711.58 and 286,606.44 is: 429,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,669.48 : 1,328,711.58 = 286,606.44 : x
  2. Step 2: Convert to fraction form
    885,669.48/1,328,711.58 = 286,606.44/x
  3. Step 3: Cross multiply
    885,669.48x = 1,328,711.58 × 286,606.44
  4. Step 4: Simplify right side
    885,669.48x = 380,817,295,730.58
  5. Step 5: Solve for x
    x = 380,817,295,730.58/885,669.48
  6. Step 6: Final answer
    x = 429,976.76

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1.5x scale

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.