Home / 841,031.72-1,261,941.18-367,655.72

Finding the Fourth Proportional to 841,031.72, 1,261,941.18 and 367,655.72

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Solution

The fourth proportional to 841,031.72, 1,261,941.18 and 367,655.72 is: 551,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,031.72 : 1,261,941.18 = 367,655.72 : x
  2. Step 2: Convert to fraction form
    841,031.72/1,261,941.18 = 367,655.72/x
  3. Step 3: Cross multiply
    841,031.72x = 1,261,941.18 × 367,655.72
  4. Step 4: Simplify right side
    841,031.72x = 463,959,893,130.55
  5. Step 5: Solve for x
    x = 463,959,893,130.55/841,031.72
  6. Step 6: Final answer
    x = 551,655.64

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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.