Home / 306,928.28-460,392.42-289,602.20

Finding the Fourth Proportional to 306,928.28, 460,392.42 and 289,602.20

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Solution

The fourth proportional to 306,928.28, 460,392.42 and 289,602.20 is: 434,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,928.28 : 460,392.42 = 289,602.20 : x
  2. Step 2: Convert to fraction form
    306,928.28/460,392.42 = 289,602.20/x
  3. Step 3: Cross multiply
    306,928.28x = 460,392.42 × 289,602.20
  4. Step 4: Simplify right side
    306,928.28x = 133,330,657,695.32
  5. Step 5: Solve for x
    x = 133,330,657,695.32/306,928.28
  6. Step 6: Final answer
    x = 434,403.30

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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.