Home / 785,787.40-1,178,465.42-217,032.52

Finding the Fourth Proportional to 785,787.40, 1,178,465.42 and 217,032.52

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Solution

The fourth proportional to 785,787.40, 1,178,465.42 and 217,032.52 is: 325,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,787.40 : 1,178,465.42 = 217,032.52 : x
  2. Step 2: Convert to fraction form
    785,787.40/1,178,465.42 = 217,032.52/x
  3. Step 3: Cross multiply
    785,787.40x = 1,178,465.42 × 217,032.52
  4. Step 4: Simplify right side
    785,787.40x = 255,765,319,835.46
  5. Step 5: Solve for x
    x = 255,765,319,835.46/785,787.40
  6. Step 6: Final answer
    x = 325,489.21

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1.5x scale

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.