Home / 459,667.28-633,895.08-306,711.68

Finding the Fourth Proportional to 459,667.28, 633,895.08 and 306,711.68

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Solution

The fourth proportional to 459,667.28, 633,895.08 and 306,711.68 is: 422,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,667.28 : 633,895.08 = 306,711.68 : x
  2. Step 2: Convert to fraction form
    459,667.28/633,895.08 = 306,711.68/x
  3. Step 3: Cross multiply
    459,667.28x = 633,895.08 × 306,711.68
  4. Step 4: Simplify right side
    459,667.28x = 194,423,024,930.53
  5. Step 5: Solve for x
    x = 194,423,024,930.53/459,667.28
  6. Step 6: Final answer
    x = 422,964.68

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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.