Home / 883,099.80-1,323,288.90-657,401.40

Finding the Fourth Proportional to 883,099.80, 1,323,288.90 and 657,401.40

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Solution

The fourth proportional to 883,099.80, 1,323,288.90 and 657,401.40 is: 985,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,099.80 : 1,323,288.90 = 657,401.40 : x
  2. Step 2: Convert to fraction form
    883,099.80/1,323,288.90 = 657,401.40/x
  3. Step 3: Cross multiply
    883,099.80x = 1,323,288.90 × 657,401.40
  4. Step 4: Simplify right side
    883,099.80x = 869,931,975,464.46
  5. Step 5: Solve for x
    x = 869,931,975,464.46/883,099.80
  6. Step 6: Final answer
    x = 985,089.09

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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.