Home / 403,091.16-604,740.62-289,370.80

Finding the Fourth Proportional to 403,091.16, 604,740.62 and 289,370.80

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Solution

The fourth proportional to 403,091.16, 604,740.62 and 289,370.80 is: 434,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,091.16 : 604,740.62 = 289,370.80 : x
  2. Step 2: Convert to fraction form
    403,091.16/604,740.62 = 289,370.80/x
  3. Step 3: Cross multiply
    403,091.16x = 604,740.62 × 289,370.80
  4. Step 4: Simplify right side
    403,091.16x = 174,994,277,001.90
  5. Step 5: Solve for x
    x = 174,994,277,001.90/403,091.16
  6. Step 6: Final answer
    x = 434,130.77

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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.