Home / 712,905.72-1,069,424.34-233,136.06

Finding the Fourth Proportional to 712,905.72, 1,069,424.34 and 233,136.06

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Solution

The fourth proportional to 712,905.72, 1,069,424.34 and 233,136.06 is: 349,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,905.72 : 1,069,424.34 = 233,136.06 : x
  2. Step 2: Convert to fraction form
    712,905.72/1,069,424.34 = 233,136.06/x
  3. Step 3: Cross multiply
    712,905.72x = 1,069,424.34 × 233,136.06
  4. Step 4: Simplify right side
    712,905.72x = 249,321,377,095.70
  5. Step 5: Solve for x
    x = 249,321,377,095.70/712,905.72
  6. Step 6: Final answer
    x = 349,725.59

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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.