Home / 683,534.70-1,025,400.10-210,259.98

Finding the Fourth Proportional to 683,534.70, 1,025,400.10 and 210,259.98

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Solution

The fourth proportional to 683,534.70, 1,025,400.10 and 210,259.98 is: 315,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,534.70 : 1,025,400.10 = 210,259.98 : x
  2. Step 2: Convert to fraction form
    683,534.70/1,025,400.10 = 210,259.98/x
  3. Step 3: Cross multiply
    683,534.70x = 1,025,400.10 × 210,259.98
  4. Step 4: Simplify right side
    683,534.70x = 215,600,604,518.00
  5. Step 5: Solve for x
    x = 215,600,604,518.00/683,534.70
  6. Step 6: Final answer
    x = 315,420.13

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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.