Home / 767,265.77-1,058,802.49-423,116.21

Finding the Fourth Proportional to 767,265.77, 1,058,802.49 and 423,116.21

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Solution

The fourth proportional to 767,265.77, 1,058,802.49 and 423,116.21 is: 583,886.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,265.77 : 1,058,802.49 = 423,116.21 : x
  2. Step 2: Convert to fraction form
    767,265.77/1,058,802.49 = 423,116.21/x
  3. Step 3: Cross multiply
    767,265.77x = 1,058,802.49 × 423,116.21
  4. Step 4: Simplify right side
    767,265.77x = 447,996,498,296.58
  5. Step 5: Solve for x
    x = 447,996,498,296.58/767,265.77
  6. Step 6: Final answer
    x = 583,886.98

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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.