Home / 434,430.48-599,530.24-243,436.80

Finding the Fourth Proportional to 434,430.48, 599,530.24 and 243,436.80

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Solution

The fourth proportional to 434,430.48, 599,530.24 and 243,436.80 is: 335,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,430.48 : 599,530.24 = 243,436.80 : x
  2. Step 2: Convert to fraction form
    434,430.48/599,530.24 = 243,436.80/x
  3. Step 3: Cross multiply
    434,430.48x = 599,530.24 × 243,436.80
  4. Step 4: Simplify right side
    434,430.48x = 145,947,723,128.83
  5. Step 5: Solve for x
    x = 145,947,723,128.83/434,430.48
  6. Step 6: Final answer
    x = 335,951.85

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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.