Home / 695,148.81-959,226.06-389,182.65

Finding the Fourth Proportional to 695,148.81, 959,226.06 and 389,182.65

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Solution

The fourth proportional to 695,148.81, 959,226.06 and 389,182.65 is: 537,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,148.81 : 959,226.06 = 389,182.65 : x
  2. Step 2: Convert to fraction form
    695,148.81/959,226.06 = 389,182.65/x
  3. Step 3: Cross multiply
    695,148.81x = 959,226.06 × 389,182.65
  4. Step 4: Simplify right side
    695,148.81x = 373,314,139,979.86
  5. Step 5: Solve for x
    x = 373,314,139,979.86/695,148.81
  6. Step 6: Final answer
    x = 537,027.66

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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.