Home / 724,879.95-1,000,301.94-434,651.70

Finding the Fourth Proportional to 724,879.95, 1,000,301.94 and 434,651.70

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Solution

The fourth proportional to 724,879.95, 1,000,301.94 and 434,651.70 is: 599,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,879.95 : 1,000,301.94 = 434,651.70 : x
  2. Step 2: Convert to fraction form
    724,879.95/1,000,301.94 = 434,651.70/x
  3. Step 3: Cross multiply
    724,879.95x = 1,000,301.94 × 434,651.70
  4. Step 4: Simplify right side
    724,879.95x = 434,782,938,734.30
  5. Step 5: Solve for x
    x = 434,782,938,734.30/724,879.95
  6. Step 6: Final answer
    x = 599,799.92

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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.