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Finding the Fourth Proportional to 634,550.94, 875,680.30 and 348,071.70

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Solution

The fourth proportional to 634,550.94, 875,680.30 and 348,071.70 is: 480,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,550.94 : 875,680.30 = 348,071.70 : x
  2. Step 2: Convert to fraction form
    634,550.94/875,680.30 = 348,071.70/x
  3. Step 3: Cross multiply
    634,550.94x = 875,680.30 × 348,071.70
  4. Step 4: Simplify right side
    634,550.94x = 304,799,530,677.51
  5. Step 5: Solve for x
    x = 304,799,530,677.51/634,550.94
  6. Step 6: Final answer
    x = 480,338.95

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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.