Home / 778,836.48-1,074,892.89-452,079.63

Finding the Fourth Proportional to 778,836.48, 1,074,892.89 and 452,079.63

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Solution

The fourth proportional to 778,836.48, 1,074,892.89 and 452,079.63 is: 623,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,836.48 : 1,074,892.89 = 452,079.63 : x
  2. Step 2: Convert to fraction form
    778,836.48/1,074,892.89 = 452,079.63/x
  3. Step 3: Cross multiply
    778,836.48x = 1,074,892.89 × 452,079.63
  4. Step 4: Simplify right side
    778,836.48x = 485,937,180,000.83
  5. Step 5: Solve for x
    x = 485,937,180,000.83/778,836.48
  6. Step 6: Final answer
    x = 623,927.09

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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.