Home / 838,460.03-1,157,073.26-456,485.90

Finding the Fourth Proportional to 838,460.03, 1,157,073.26 and 456,485.90

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Solution

The fourth proportional to 838,460.03, 1,157,073.26 and 456,485.90 is: 629,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,460.03 : 1,157,073.26 = 456,485.90 : x
  2. Step 2: Convert to fraction form
    838,460.03/1,157,073.26 = 456,485.90/x
  3. Step 3: Cross multiply
    838,460.03x = 1,157,073.26 × 456,485.90
  4. Step 4: Simplify right side
    838,460.03x = 528,187,620,389.24
  5. Step 5: Solve for x
    x = 528,187,620,389.24/838,460.03
  6. Step 6: Final answer
    x = 629,949.68

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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.