Home / 861,513.63-1,292,463.18-262,521.66

Finding the Fourth Proportional to 861,513.63, 1,292,463.18 and 262,521.66

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Solution

The fourth proportional to 861,513.63, 1,292,463.18 and 262,521.66 is: 393,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,513.63 : 1,292,463.18 = 262,521.66 : x
  2. Step 2: Convert to fraction form
    861,513.63/1,292,463.18 = 262,521.66/x
  3. Step 3: Cross multiply
    861,513.63x = 1,292,463.18 × 262,521.66
  4. Step 4: Simplify right side
    861,513.63x = 339,299,579,502.48
  5. Step 5: Solve for x
    x = 339,299,579,502.48/861,513.63
  6. Step 6: Final answer
    x = 393,841.22

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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.