Home / 459,595.10-633,795.90-306,639.56

Finding the Fourth Proportional to 459,595.10, 633,795.90 and 306,639.56

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Solution

The fourth proportional to 459,595.10, 633,795.90 and 306,639.56 is: 422,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,595.10 : 633,795.90 = 306,639.56 : x
  2. Step 2: Convert to fraction form
    459,595.10/633,795.90 = 306,639.56/x
  3. Step 3: Cross multiply
    459,595.10x = 633,795.90 × 306,639.56
  4. Step 4: Simplify right side
    459,595.10x = 194,346,895,905.80
  5. Step 5: Solve for x
    x = 194,346,895,905.80/459,595.10
  6. Step 6: Final answer
    x = 422,865.47

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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.