Home / 885,671.98-1,328,715.33-286,608.94

Finding the Fourth Proportional to 885,671.98, 1,328,715.33 and 286,608.94

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Solution

The fourth proportional to 885,671.98, 1,328,715.33 and 286,608.94 is: 429,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,671.98 : 1,328,715.33 = 286,608.94 : x
  2. Step 2: Convert to fraction form
    885,671.98/1,328,715.33 = 286,608.94/x
  3. Step 3: Cross multiply
    885,671.98x = 1,328,715.33 × 286,608.94
  4. Step 4: Simplify right side
    885,671.98x = 380,821,692,293.05
  5. Step 5: Solve for x
    x = 380,821,692,293.05/885,671.98
  6. Step 6: Final answer
    x = 429,980.51

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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.