Home / 767,240.90-1,058,855.50-423,144.15

Finding the Fourth Proportional to 767,240.90, 1,058,855.50 and 423,144.15

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Solution

The fourth proportional to 767,240.90, 1,058,855.50 and 423,144.15 is: 583,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,240.90 : 1,058,855.50 = 423,144.15 : x
  2. Step 2: Convert to fraction form
    767,240.90/1,058,855.50 = 423,144.15/x
  3. Step 3: Cross multiply
    767,240.90x = 1,058,855.50 × 423,144.15
  4. Step 4: Simplify right side
    767,240.90x = 448,048,505,226.05
  5. Step 5: Solve for x
    x = 448,048,505,226.05/767,240.90
  6. Step 6: Final answer
    x = 583,973.70

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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.