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Finding the Fourth Proportional to 721,946.09, 996,737.46 and 463,927.07

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Solution

The fourth proportional to 721,946.09, 996,737.46 and 463,927.07 is: 640,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,946.09 : 996,737.46 = 463,927.07 : x
  2. Step 2: Convert to fraction form
    721,946.09/996,737.46 = 463,927.07/x
  3. Step 3: Cross multiply
    721,946.09x = 996,737.46 × 463,927.07
  4. Step 4: Simplify right side
    721,946.09x = 462,413,489,377.04
  5. Step 5: Solve for x
    x = 462,413,489,377.04/721,946.09
  6. Step 6: Final answer
    x = 640,509.72

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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.