Home / 498,975.52-688,586.47-269,532.80

Finding the Fourth Proportional to 498,975.52, 688,586.47 and 269,532.80

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Solution

The fourth proportional to 498,975.52, 688,586.47 and 269,532.80 is: 371,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,975.52 : 688,586.47 = 269,532.80 : x
  2. Step 2: Convert to fraction form
    498,975.52/688,586.47 = 269,532.80/x
  3. Step 3: Cross multiply
    498,975.52x = 688,586.47 × 269,532.80
  4. Step 4: Simplify right side
    498,975.52x = 185,596,635,184.45
  5. Step 5: Solve for x
    x = 185,596,635,184.45/498,975.52
  6. Step 6: Final answer
    x = 371,955.39

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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.