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Finding the Fourth Proportional to 697,868.09, 963,423.81 and 469,625.48

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Solution

The fourth proportional to 697,868.09, 963,423.81 and 469,625.48 is: 648,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,868.09 : 963,423.81 = 469,625.48 : x
  2. Step 2: Convert to fraction form
    697,868.09/963,423.81 = 469,625.48/x
  3. Step 3: Cross multiply
    697,868.09x = 963,423.81 × 469,625.48
  4. Step 4: Simplify right side
    697,868.09x = 452,448,369,214.68
  5. Step 5: Solve for x
    x = 452,448,369,214.68/697,868.09
  6. Step 6: Final answer
    x = 648,329.36

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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.