Home / 731,956.42-1,009,869.69-409,615.30

Finding the Fourth Proportional to 731,956.42, 1,009,869.69 and 409,615.30

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Solution

The fourth proportional to 731,956.42, 1,009,869.69 and 409,615.30 is: 565,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,956.42 : 1,009,869.69 = 409,615.30 : x
  2. Step 2: Convert to fraction form
    731,956.42/1,009,869.69 = 409,615.30/x
  3. Step 3: Cross multiply
    731,956.42x = 1,009,869.69 × 409,615.30
  4. Step 4: Simplify right side
    731,956.42x = 413,658,076,030.26
  5. Step 5: Solve for x
    x = 413,658,076,030.26/731,956.42
  6. Step 6: Final answer
    x = 565,140.31

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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.