Home / 768,031.25-1,059,943.25-423,935.51

Finding the Fourth Proportional to 768,031.25, 1,059,943.25 and 423,935.51

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Solution

The fourth proportional to 768,031.25, 1,059,943.25 and 423,935.51 is: 585,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,031.25 : 1,059,943.25 = 423,935.51 : x
  2. Step 2: Convert to fraction form
    768,031.25/1,059,943.25 = 423,935.51/x
  3. Step 3: Cross multiply
    768,031.25x = 1,059,943.25 × 423,935.51
  4. Step 4: Simplify right side
    768,031.25x = 449,347,574,840.41
  5. Step 5: Solve for x
    x = 449,347,574,840.41/768,031.25
  6. Step 6: Final answer
    x = 585,064.19

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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.