Home / 857,688.66-1,183,611.13-475,715.45

Finding the Fourth Proportional to 857,688.66, 1,183,611.13 and 475,715.45

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Solution

The fourth proportional to 857,688.66, 1,183,611.13 and 475,715.45 is: 656,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,688.66 : 1,183,611.13 = 475,715.45 : x
  2. Step 2: Convert to fraction form
    857,688.66/1,183,611.13 = 475,715.45/x
  3. Step 3: Cross multiply
    857,688.66x = 1,183,611.13 × 475,715.45
  4. Step 4: Simplify right side
    857,688.66x = 563,062,103,102.70
  5. Step 5: Solve for x
    x = 563,062,103,102.70/857,688.66
  6. Step 6: Final answer
    x = 656,487.76

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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.