Home / 917,928.99-1,376,893.26-286,842.83

Finding the Fourth Proportional to 917,928.99, 1,376,893.26 and 286,842.83

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Solution

The fourth proportional to 917,928.99, 1,376,893.26 and 286,842.83 is: 430,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,928.99 : 1,376,893.26 = 286,842.83 : x
  2. Step 2: Convert to fraction form
    917,928.99/1,376,893.26 = 286,842.83/x
  3. Step 3: Cross multiply
    917,928.99x = 1,376,893.26 × 286,842.83
  4. Step 4: Simplify right side
    917,928.99x = 394,951,952,421.86
  5. Step 5: Solve for x
    x = 394,951,952,421.86/917,928.99
  6. Step 6: Final answer
    x = 430,264.17

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Double scale
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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.