Home / 875,935.40-1,314,248.70-343,365.80

Finding the Fourth Proportional to 875,935.40, 1,314,248.70 and 343,365.80

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Solution

The fourth proportional to 875,935.40, 1,314,248.70 and 343,365.80 is: 515,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,935.40 : 1,314,248.70 = 343,365.80 : x
  2. Step 2: Convert to fraction form
    875,935.40/1,314,248.70 = 343,365.80/x
  3. Step 3: Cross multiply
    875,935.40x = 1,314,248.70 × 343,365.80
  4. Step 4: Simplify right side
    875,935.40x = 451,268,056,274.46
  5. Step 5: Solve for x
    x = 451,268,056,274.46/875,935.40
  6. Step 6: Final answer
    x = 515,184.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.