Home / 813,496.25-1,122,678.87-450,935.39

Finding the Fourth Proportional to 813,496.25, 1,122,678.87 and 450,935.39

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Solution

The fourth proportional to 813,496.25, 1,122,678.87 and 450,935.39 is: 622,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,496.25 : 1,122,678.87 = 450,935.39 : x
  2. Step 2: Convert to fraction form
    813,496.25/1,122,678.87 = 450,935.39/x
  3. Step 3: Cross multiply
    813,496.25x = 1,122,678.87 × 450,935.39
  4. Step 4: Simplify right side
    813,496.25x = 506,255,634,088.21
  5. Step 5: Solve for x
    x = 506,255,634,088.21/813,496.25
  6. Step 6: Final answer
    x = 622,320.80

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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.