Home / 767,058.22-1,058,541.51-427,519.18

Finding the Fourth Proportional to 767,058.22, 1,058,541.51 and 427,519.18

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Solution

The fourth proportional to 767,058.22, 1,058,541.51 and 427,519.18 is: 589,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,058.22 : 1,058,541.51 = 427,519.18 : x
  2. Step 2: Convert to fraction form
    767,058.22/1,058,541.51 = 427,519.18/x
  3. Step 3: Cross multiply
    767,058.22x = 1,058,541.51 × 427,519.18
  4. Step 4: Simplify right side
    767,058.22x = 452,546,798,351.16
  5. Step 5: Solve for x
    x = 452,546,798,351.16/767,058.22
  6. Step 6: Final answer
    x = 589,977.12

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1.5x scale

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.