Home / 803,556.16-1,108,869.28-440,971.84

Finding the Fourth Proportional to 803,556.16, 1,108,869.28 and 440,971.84

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Solution

The fourth proportional to 803,556.16, 1,108,869.28 and 440,971.84 is: 608,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,556.16 : 1,108,869.28 = 440,971.84 : x
  2. Step 2: Convert to fraction form
    803,556.16/1,108,869.28 = 440,971.84/x
  3. Step 3: Cross multiply
    803,556.16x = 1,108,869.28 × 440,971.84
  4. Step 4: Simplify right side
    803,556.16x = 488,980,126,721.08
  5. Step 5: Solve for x
    x = 488,980,126,721.08/803,556.16
  6. Step 6: Final answer
    x = 608,520.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.