Home / 885,816.80-1,328,552.40-286,632.80

Finding the Fourth Proportional to 885,816.80, 1,328,552.40 and 286,632.80

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Solution

The fourth proportional to 885,816.80, 1,328,552.40 and 286,632.80 is: 429,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,816.80 : 1,328,552.40 = 286,632.80 : x
  2. Step 2: Convert to fraction form
    885,816.80/1,328,552.40 = 286,632.80/x
  3. Step 3: Cross multiply
    885,816.80x = 1,328,552.40 × 286,632.80
  4. Step 4: Simplify right side
    885,816.80x = 380,806,694,358.72
  5. Step 5: Solve for x
    x = 380,806,694,358.72/885,816.80
  6. Step 6: Final answer
    x = 429,893.29

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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.