Home / 859,265.67-1,185,837.71-477,289.74

Finding the Fourth Proportional to 859,265.67, 1,185,837.71 and 477,289.74

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Solution

The fourth proportional to 859,265.67, 1,185,837.71 and 477,289.74 is: 658,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,265.67 : 1,185,837.71 = 477,289.74 : x
  2. Step 2: Convert to fraction form
    859,265.67/1,185,837.71 = 477,289.74/x
  3. Step 3: Cross multiply
    859,265.67x = 1,185,837.71 × 477,289.74
  4. Step 4: Simplify right side
    859,265.67x = 565,988,169,901.65
  5. Step 5: Solve for x
    x = 565,988,169,901.65/859,265.67
  6. Step 6: Final answer
    x = 658,688.21

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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.