Home / 698,300.55-1,045,997.60-674,210.75

Finding the Fourth Proportional to 698,300.55, 1,045,997.60 and 674,210.75

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Solution

The fourth proportional to 698,300.55, 1,045,997.60 and 674,210.75 is: 1,009,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,300.55 : 1,045,997.60 = 674,210.75 : x
  2. Step 2: Convert to fraction form
    698,300.55/1,045,997.60 = 674,210.75/x
  3. Step 3: Cross multiply
    698,300.55x = 1,045,997.60 × 674,210.75
  4. Step 4: Simplify right side
    698,300.55x = 705,222,817,793.16
  5. Step 5: Solve for x
    x = 705,222,817,793.16/698,300.55
  6. Step 6: Final answer
    x = 1,009,913.02

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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.