Home / 778,523.10-1,074,159.26-456,060.20

Finding the Fourth Proportional to 778,523.10, 1,074,159.26 and 456,060.20

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Solution

The fourth proportional to 778,523.10, 1,074,159.26 and 456,060.20 is: 629,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,523.10 : 1,074,159.26 = 456,060.20 : x
  2. Step 2: Convert to fraction form
    778,523.10/1,074,159.26 = 456,060.20/x
  3. Step 3: Cross multiply
    778,523.10x = 1,074,159.26 × 456,060.20
  4. Step 4: Simplify right side
    778,523.10x = 489,881,290,773.00
  5. Step 5: Solve for x
    x = 489,881,290,773.00/778,523.10
  6. Step 6: Final answer
    x = 629,244.39

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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.