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Finding the Fourth Proportional to 634,460.80, 875,587.98 and 348,007.54

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Solution

The fourth proportional to 634,460.80, 875,587.98 and 348,007.54 is: 480,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,460.80 : 875,587.98 = 348,007.54 : x
  2. Step 2: Convert to fraction form
    634,460.80/875,587.98 = 348,007.54/x
  3. Step 3: Cross multiply
    634,460.80x = 875,587.98 × 348,007.54
  4. Step 4: Simplify right side
    634,460.80x = 304,711,218,973.37
  5. Step 5: Solve for x
    x = 304,711,218,973.37/634,460.80
  6. Step 6: Final answer
    x = 480,268.00

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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.