Home / 769,861.81-1,062,316.54-425,651.30

Finding the Fourth Proportional to 769,861.81, 1,062,316.54 and 425,651.30

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Solution

The fourth proportional to 769,861.81, 1,062,316.54 and 425,651.30 is: 587,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,861.81 : 1,062,316.54 = 425,651.30 : x
  2. Step 2: Convert to fraction form
    769,861.81/1,062,316.54 = 425,651.30/x
  3. Step 3: Cross multiply
    769,861.81x = 1,062,316.54 × 425,651.30
  4. Step 4: Simplify right side
    769,861.81x = 452,176,409,886.79
  5. Step 5: Solve for x
    x = 452,176,409,886.79/769,861.81
  6. Step 6: Final answer
    x = 587,347.50

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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.