Home / 723,688.95-998,810.34-401,502.84

Finding the Fourth Proportional to 723,688.95, 998,810.34 and 401,502.84

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Solution

The fourth proportional to 723,688.95, 998,810.34 and 401,502.84 is: 554,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,688.95 : 998,810.34 = 401,502.84 : x
  2. Step 2: Convert to fraction form
    723,688.95/998,810.34 = 401,502.84/x
  3. Step 3: Cross multiply
    723,688.95x = 998,810.34 × 401,502.84
  4. Step 4: Simplify right side
    723,688.95x = 401,025,188,131.37
  5. Step 5: Solve for x
    x = 401,025,188,131.37/723,688.95
  6. Step 6: Final answer
    x = 554,140.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.