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Finding the Fourth Proportional to 698,429.70, 962,913.71 and 456,291.54

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Solution

The fourth proportional to 698,429.70, 962,913.71 and 456,291.54 is: 629,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,429.70 : 962,913.71 = 456,291.54 : x
  2. Step 2: Convert to fraction form
    698,429.70/962,913.71 = 456,291.54/x
  3. Step 3: Cross multiply
    698,429.70x = 962,913.71 × 456,291.54
  4. Step 4: Simplify right side
    698,429.70x = 439,369,377,341.56
  5. Step 5: Solve for x
    x = 439,369,377,341.56/698,429.70
  6. Step 6: Final answer
    x = 629,081.75

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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.