Home / 673,880.28-1,011,061.08-289,467.63

Finding the Fourth Proportional to 673,880.28, 1,011,061.08 and 289,467.63

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Solution

The fourth proportional to 673,880.28, 1,011,061.08 and 289,467.63 is: 434,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,880.28 : 1,011,061.08 = 289,467.63 : x
  2. Step 2: Convert to fraction form
    673,880.28/1,011,061.08 = 289,467.63/x
  3. Step 3: Cross multiply
    673,880.28x = 1,011,061.08 × 289,467.63
  4. Step 4: Simplify right side
    673,880.28x = 292,669,454,612.84
  5. Step 5: Solve for x
    x = 292,669,454,612.84/673,880.28
  6. Step 6: Final answer
    x = 434,304.82

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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.