Home / 750,802.05-1,126,312.89-218,253.89

Finding the Fourth Proportional to 750,802.05, 1,126,312.89 and 218,253.89

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Solution

The fourth proportional to 750,802.05, 1,126,312.89 and 218,253.89 is: 327,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,802.05 : 1,126,312.89 = 218,253.89 : x
  2. Step 2: Convert to fraction form
    750,802.05/1,126,312.89 = 218,253.89/x
  3. Step 3: Cross multiply
    750,802.05x = 1,126,312.89 × 218,253.89
  4. Step 4: Simplify right side
    750,802.05x = 245,822,163,968.08
  5. Step 5: Solve for x
    x = 245,822,163,968.08/750,802.05
  6. Step 6: Final answer
    x = 327,412.75

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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.