Home / 845,355.10-1,269,158.55-490,623.70

Finding the Fourth Proportional to 845,355.10, 1,269,158.55 and 490,623.70

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Solution

The fourth proportional to 845,355.10, 1,269,158.55 and 490,623.70 is: 736,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,355.10 : 1,269,158.55 = 490,623.70 : x
  2. Step 2: Convert to fraction form
    845,355.10/1,269,158.55 = 490,623.70/x
  3. Step 3: Cross multiply
    845,355.10x = 1,269,158.55 × 490,623.70
  4. Step 4: Simplify right side
    845,355.10x = 622,679,263,687.64
  5. Step 5: Solve for x
    x = 622,679,263,687.64/845,355.10
  6. Step 6: Final answer
    x = 736,589.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.