Home / 766,818.79-1,058,288.67-460,994.18

Finding the Fourth Proportional to 766,818.79, 1,058,288.67 and 460,994.18

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Solution

The fourth proportional to 766,818.79, 1,058,288.67 and 460,994.18 is: 636,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,818.79 : 1,058,288.67 = 460,994.18 : x
  2. Step 2: Convert to fraction form
    766,818.79/1,058,288.67 = 460,994.18/x
  3. Step 3: Cross multiply
    766,818.79x = 1,058,288.67 × 460,994.18
  4. Step 4: Simplify right side
    766,818.79x = 487,864,912,338.50
  5. Step 5: Solve for x
    x = 487,864,912,338.50/766,818.79
  6. Step 6: Final answer
    x = 636,219.30

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1.5x scale

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.