Home / 840,304.08-1,159,717.65-477,782.27

Finding the Fourth Proportional to 840,304.08, 1,159,717.65 and 477,782.27

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Solution

The fourth proportional to 840,304.08, 1,159,717.65 and 477,782.27 is: 659,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,304.08 : 1,159,717.65 = 477,782.27 : x
  2. Step 2: Convert to fraction form
    840,304.08/1,159,717.65 = 477,782.27/x
  3. Step 3: Cross multiply
    840,304.08x = 1,159,717.65 × 477,782.27
  4. Step 4: Simplify right side
    840,304.08x = 554,092,525,577.48
  5. Step 5: Solve for x
    x = 554,092,525,577.48/840,304.08
  6. Step 6: Final answer
    x = 659,395.26

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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.