Home / 741,743.80-1,023,601.98-402,212.02

Finding the Fourth Proportional to 741,743.80, 1,023,601.98 and 402,212.02

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Solution

The fourth proportional to 741,743.80, 1,023,601.98 and 402,212.02 is: 555,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,743.80 : 1,023,601.98 = 402,212.02 : x
  2. Step 2: Convert to fraction form
    741,743.80/1,023,601.98 = 402,212.02/x
  3. Step 3: Cross multiply
    741,743.80x = 1,023,601.98 × 402,212.02
  4. Step 4: Simplify right side
    741,743.80x = 411,705,020,051.80
  5. Step 5: Solve for x
    x = 411,705,020,051.80/741,743.80
  6. Step 6: Final answer
    x = 555,050.17

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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.