Home / 875,263.86-1,312,370.91-401,355.54

Finding the Fourth Proportional to 875,263.86, 1,312,370.91 and 401,355.54

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Solution

The fourth proportional to 875,263.86, 1,312,370.91 and 401,355.54 is: 601,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,263.86 : 1,312,370.91 = 401,355.54 : x
  2. Step 2: Convert to fraction form
    875,263.86/1,312,370.91 = 401,355.54/x
  3. Step 3: Cross multiply
    875,263.86x = 1,312,370.91 × 401,355.54
  4. Step 4: Simplify right side
    875,263.86x = 526,727,335,263.34
  5. Step 5: Solve for x
    x = 526,727,335,263.34/875,263.86
  6. Step 6: Final answer
    x = 601,792.62

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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.