Home / 698,085.32-1,046,159.18-318,077.36

Finding the Fourth Proportional to 698,085.32, 1,046,159.18 and 318,077.36

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Solution

The fourth proportional to 698,085.32, 1,046,159.18 and 318,077.36 is: 476,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,085.32 : 1,046,159.18 = 318,077.36 : x
  2. Step 2: Convert to fraction form
    698,085.32/1,046,159.18 = 318,077.36/x
  3. Step 3: Cross multiply
    698,085.32x = 1,046,159.18 × 318,077.36
  4. Step 4: Simplify right side
    698,085.32x = 332,759,548,408.87
  5. Step 5: Solve for x
    x = 332,759,548,408.87/698,085.32
  6. Step 6: Final answer
    x = 476,674.61

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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.