Home / 656,050.82-984,387.27-390,336.26

Finding the Fourth Proportional to 656,050.82, 984,387.27 and 390,336.26

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Solution

The fourth proportional to 656,050.82, 984,387.27 and 390,336.26 is: 585,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,050.82 : 984,387.27 = 390,336.26 : x
  2. Step 2: Convert to fraction form
    656,050.82/984,387.27 = 390,336.26/x
  3. Step 3: Cross multiply
    656,050.82x = 984,387.27 × 390,336.26
  4. Step 4: Simplify right side
    656,050.82x = 384,242,045,363.41
  5. Step 5: Solve for x
    x = 384,242,045,363.41/656,050.82
  6. Step 6: Final answer
    x = 585,689.45

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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.