Home / 741,611.52-1,023,426.12-402,079.92

Finding the Fourth Proportional to 741,611.52, 1,023,426.12 and 402,079.92

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Solution

The fourth proportional to 741,611.52, 1,023,426.12 and 402,079.92 is: 554,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,611.52 : 1,023,426.12 = 402,079.92 : x
  2. Step 2: Convert to fraction form
    741,611.52/1,023,426.12 = 402,079.92/x
  3. Step 3: Cross multiply
    741,611.52x = 1,023,426.12 × 402,079.92
  4. Step 4: Simplify right side
    741,611.52x = 411,499,092,455.51
  5. Step 5: Solve for x
    x = 411,499,092,455.51/741,611.52
  6. Step 6: Final answer
    x = 554,871.49

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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.