Home / 772,752.84-1,159,116.30-211,787.34

Finding the Fourth Proportional to 772,752.84, 1,159,116.30 and 211,787.34

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Solution

The fourth proportional to 772,752.84, 1,159,116.30 and 211,787.34 is: 317,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,752.84 : 1,159,116.30 = 211,787.34 : x
  2. Step 2: Convert to fraction form
    772,752.84/1,159,116.30 = 211,787.34/x
  3. Step 3: Cross multiply
    772,752.84x = 1,159,116.30 × 211,787.34
  4. Step 4: Simplify right side
    772,752.84x = 245,486,157,927.64
  5. Step 5: Solve for x
    x = 245,486,157,927.64/772,752.84
  6. Step 6: Final answer
    x = 317,677.46

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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.