Home / 869,365.95-1,304,359.20-528,502.86

Finding the Fourth Proportional to 869,365.95, 1,304,359.20 and 528,502.86

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Solution

The fourth proportional to 869,365.95, 1,304,359.20 and 528,502.86 is: 792,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,365.95 : 1,304,359.20 = 528,502.86 : x
  2. Step 2: Convert to fraction form
    869,365.95/1,304,359.20 = 528,502.86/x
  3. Step 3: Cross multiply
    869,365.95x = 1,304,359.20 × 528,502.86
  4. Step 4: Simplify right side
    869,365.95x = 689,357,567,667.31
  5. Step 5: Solve for x
    x = 689,357,567,667.31/869,365.95
  6. Step 6: Final answer
    x = 792,942.92

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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.