Home / 767,287.98-1,058,865.47-423,136.19

Finding the Fourth Proportional to 767,287.98, 1,058,865.47 and 423,136.19

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Solution

The fourth proportional to 767,287.98, 1,058,865.47 and 423,136.19 is: 583,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,287.98 : 1,058,865.47 = 423,136.19 : x
  2. Step 2: Convert to fraction form
    767,287.98/1,058,865.47 = 423,136.19/x
  3. Step 3: Cross multiply
    767,287.98x = 1,058,865.47 × 423,136.19
  4. Step 4: Simplify right side
    767,287.98x = 448,044,293,288.35
  5. Step 5: Solve for x
    x = 448,044,293,288.35/767,287.98
  6. Step 6: Final answer
    x = 583,932.38

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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.