Home / 680,926.10-938,079.63-473,838.46

Finding the Fourth Proportional to 680,926.10, 938,079.63 and 473,838.46

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Solution

The fourth proportional to 680,926.10, 938,079.63 and 473,838.46 is: 652,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,926.10 : 938,079.63 = 473,838.46 : x
  2. Step 2: Convert to fraction form
    680,926.10/938,079.63 = 473,838.46/x
  3. Step 3: Cross multiply
    680,926.10x = 938,079.63 × 473,838.46
  4. Step 4: Simplify right side
    680,926.10x = 444,498,204,891.37
  5. Step 5: Solve for x
    x = 444,498,204,891.37/680,926.10
  6. Step 6: Final answer
    x = 652,784.80

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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.