Home / 840,369.71-1,159,663.56-477,743.24

Finding the Fourth Proportional to 840,369.71, 1,159,663.56 and 477,743.24

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Solution

The fourth proportional to 840,369.71, 1,159,663.56 and 477,743.24 is: 659,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,369.71 : 1,159,663.56 = 477,743.24 : x
  2. Step 2: Convert to fraction form
    840,369.71/1,159,663.56 = 477,743.24/x
  3. Step 3: Cross multiply
    840,369.71x = 1,159,663.56 × 477,743.24
  4. Step 4: Simplify right side
    840,369.71x = 554,021,426,464.34
  5. Step 5: Solve for x
    x = 554,021,426,464.34/840,369.71
  6. Step 6: Final answer
    x = 659,259.16

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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.