Home / 767,058.47-1,058,541.86-427,519.43

Finding the Fourth Proportional to 767,058.47, 1,058,541.86 and 427,519.43

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Solution

The fourth proportional to 767,058.47, 1,058,541.86 and 427,519.43 is: 589,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,058.47 : 1,058,541.86 = 427,519.43 : x
  2. Step 2: Convert to fraction form
    767,058.47/1,058,541.86 = 427,519.43/x
  3. Step 3: Cross multiply
    767,058.47x = 1,058,541.86 × 427,519.43
  4. Step 4: Simplify right side
    767,058.47x = 452,547,210,480.74
  5. Step 5: Solve for x
    x = 452,547,210,480.74/767,058.47
  6. Step 6: Final answer
    x = 589,977.46

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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.