Home / 705,688.32-1,057,499.10-349,991.94

Finding the Fourth Proportional to 705,688.32, 1,057,499.10 and 349,991.94

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Solution

The fourth proportional to 705,688.32, 1,057,499.10 and 349,991.94 is: 524,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,688.32 : 1,057,499.10 = 349,991.94 : x
  2. Step 2: Convert to fraction form
    705,688.32/1,057,499.10 = 349,991.94/x
  3. Step 3: Cross multiply
    705,688.32x = 1,057,499.10 × 349,991.94
  4. Step 4: Simplify right side
    705,688.32x = 370,116,161,557.25
  5. Step 5: Solve for x
    x = 370,116,161,557.25/705,688.32
  6. Step 6: Final answer
    x = 524,475.40

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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.