Home / 885,735.76-1,328,814.56-286,697.04

Finding the Fourth Proportional to 885,735.76, 1,328,814.56 and 286,697.04

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Solution

The fourth proportional to 885,735.76, 1,328,814.56 and 286,697.04 is: 430,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,735.76 : 1,328,814.56 = 286,697.04 : x
  2. Step 2: Convert to fraction form
    885,735.76/1,328,814.56 = 286,697.04/x
  3. Step 3: Cross multiply
    885,735.76x = 1,328,814.56 × 286,697.04
  4. Step 4: Simplify right side
    885,735.76x = 380,967,201,060.90
  5. Step 5: Solve for x
    x = 380,967,201,060.90/885,735.76
  6. Step 6: Final answer
    x = 430,113.83

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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.