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Finding the Fourth Proportional to 560,510.55, 840,601.80 and 200,639.70

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Solution

The fourth proportional to 560,510.55, 840,601.80 and 200,639.70 is: 300,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,510.55 : 840,601.80 = 200,639.70 : x
  2. Step 2: Convert to fraction form
    560,510.55/840,601.80 = 200,639.70/x
  3. Step 3: Cross multiply
    560,510.55x = 840,601.80 × 200,639.70
  4. Step 4: Simplify right side
    560,510.55x = 168,658,092,971.46
  5. Step 5: Solve for x
    x = 168,658,092,971.46/560,510.55
  6. Step 6: Final answer
    x = 300,900.84

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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.