Home / 784,461.63-1,177,322.93-405,493.35

Finding the Fourth Proportional to 784,461.63, 1,177,322.93 and 405,493.35

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Solution

The fourth proportional to 784,461.63, 1,177,322.93 and 405,493.35 is: 608,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,461.63 : 1,177,322.93 = 405,493.35 : x
  2. Step 2: Convert to fraction form
    784,461.63/1,177,322.93 = 405,493.35/x
  3. Step 3: Cross multiply
    784,461.63x = 1,177,322.93 × 405,493.35
  4. Step 4: Simplify right side
    784,461.63x = 477,396,616,890.05
  5. Step 5: Solve for x
    x = 477,396,616,890.05/784,461.63
  6. Step 6: Final answer
    x = 608,565.92

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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.