Home / 840,823.64-1,160,361.28-458,874.98

Finding the Fourth Proportional to 840,823.64, 1,160,361.28 and 458,874.98

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Solution

The fourth proportional to 840,823.64, 1,160,361.28 and 458,874.98 is: 633,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,823.64 : 1,160,361.28 = 458,874.98 : x
  2. Step 2: Convert to fraction form
    840,823.64/1,160,361.28 = 458,874.98/x
  3. Step 3: Cross multiply
    840,823.64x = 1,160,361.28 × 458,874.98
  4. Step 4: Simplify right side
    840,823.64x = 532,460,759,152.77
  5. Step 5: Solve for x
    x = 532,460,759,152.77/840,823.64
  6. Step 6: Final answer
    x = 633,260.93

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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.