Home / 778,835.98-1,074,892.20-452,079.13

Finding the Fourth Proportional to 778,835.98, 1,074,892.20 and 452,079.13

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Solution

The fourth proportional to 778,835.98, 1,074,892.20 and 452,079.13 is: 623,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,835.98 : 1,074,892.20 = 452,079.13 : x
  2. Step 2: Convert to fraction form
    778,835.98/1,074,892.20 = 452,079.13/x
  3. Step 3: Cross multiply
    778,835.98x = 1,074,892.20 × 452,079.13
  4. Step 4: Simplify right side
    778,835.98x = 485,936,330,619.79
  5. Step 5: Solve for x
    x = 485,936,330,619.79/778,835.98
  6. Step 6: Final answer
    x = 623,926.40

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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.