Home / 306,808.20-459,434.70-292,811.40

Finding the Fourth Proportional to 306,808.20, 459,434.70 and 292,811.40

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Solution

The fourth proportional to 306,808.20, 459,434.70 and 292,811.40 is: 438,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,808.20 : 459,434.70 = 292,811.40 : x
  2. Step 2: Convert to fraction form
    306,808.20/459,434.70 = 292,811.40/x
  3. Step 3: Cross multiply
    306,808.20x = 459,434.70 × 292,811.40
  4. Step 4: Simplify right side
    306,808.20x = 134,527,717,715.58
  5. Step 5: Solve for x
    x = 134,527,717,715.58/306,808.20
  6. Step 6: Final answer
    x = 438,474.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.