Home / 769,502.22-1,061,910.78-429,970.74

Finding the Fourth Proportional to 769,502.22, 1,061,910.78 and 429,970.74

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Solution

The fourth proportional to 769,502.22, 1,061,910.78 and 429,970.74 is: 593,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,502.22 : 1,061,910.78 = 429,970.74 : x
  2. Step 2: Convert to fraction form
    769,502.22/1,061,910.78 = 429,970.74/x
  3. Step 3: Cross multiply
    769,502.22x = 1,061,910.78 × 429,970.74
  4. Step 4: Simplify right side
    769,502.22x = 456,590,563,890.58
  5. Step 5: Solve for x
    x = 456,590,563,890.58/769,502.22
  6. Step 6: Final answer
    x = 593,358.35

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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.