Home / 883,247.40-1,324,871.10-509,999.40

Finding the Fourth Proportional to 883,247.40, 1,324,871.10 and 509,999.40

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Solution

The fourth proportional to 883,247.40, 1,324,871.10 and 509,999.40 is: 764,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,247.40 : 1,324,871.10 = 509,999.40 : x
  2. Step 2: Convert to fraction form
    883,247.40/1,324,871.10 = 509,999.40/x
  3. Step 3: Cross multiply
    883,247.40x = 1,324,871.10 × 509,999.40
  4. Step 4: Simplify right side
    883,247.40x = 675,683,466,077.34
  5. Step 5: Solve for x
    x = 675,683,466,077.34/883,247.40
  6. Step 6: Final answer
    x = 764,999.10

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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.