Home / 711,141.04-1,066,712.60-290,416.92

Finding the Fourth Proportional to 711,141.04, 1,066,712.60 and 290,416.92

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Solution

The fourth proportional to 711,141.04, 1,066,712.60 and 290,416.92 is: 435,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,141.04 : 1,066,712.60 = 290,416.92 : x
  2. Step 2: Convert to fraction form
    711,141.04/1,066,712.60 = 290,416.92/x
  3. Step 3: Cross multiply
    711,141.04x = 1,066,712.60 × 290,416.92
  4. Step 4: Simplify right side
    711,141.04x = 309,791,387,817.19
  5. Step 5: Solve for x
    x = 309,791,387,817.19/711,141.04
  6. Step 6: Final answer
    x = 435,625.80

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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.