Home / 769,477.71-1,061,877.01-429,946.23

Finding the Fourth Proportional to 769,477.71, 1,061,877.01 and 429,946.23

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Solution

The fourth proportional to 769,477.71, 1,061,877.01 and 429,946.23 is: 593,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,477.71 : 1,061,877.01 = 429,946.23 : x
  2. Step 2: Convert to fraction form
    769,477.71/1,061,877.01 = 429,946.23/x
  3. Step 3: Cross multiply
    769,477.71x = 1,061,877.01 × 429,946.23
  4. Step 4: Simplify right side
    769,477.71x = 456,550,017,173.17
  5. Step 5: Solve for x
    x = 456,550,017,173.17/769,477.71
  6. Step 6: Final answer
    x = 593,324.55

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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.