Home / 778,523.35-1,074,159.61-456,060.45

Finding the Fourth Proportional to 778,523.35, 1,074,159.61 and 456,060.45

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Solution

The fourth proportional to 778,523.35, 1,074,159.61 and 456,060.45 is: 629,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,523.35 : 1,074,159.61 = 456,060.45 : x
  2. Step 2: Convert to fraction form
    778,523.35/1,074,159.61 = 456,060.45/x
  3. Step 3: Cross multiply
    778,523.35x = 1,074,159.61 × 456,060.45
  4. Step 4: Simplify right side
    778,523.35x = 489,881,715,108.43
  5. Step 5: Solve for x
    x = 489,881,715,108.43/778,523.35
  6. Step 6: Final answer
    x = 629,244.73

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Double scale
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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.