Home / 748,141.19-1,122,369.61-242,662.92

Finding the Fourth Proportional to 748,141.19, 1,122,369.61 and 242,662.92

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Solution

The fourth proportional to 748,141.19, 1,122,369.61 and 242,662.92 is: 364,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,141.19 : 1,122,369.61 = 242,662.92 : x
  2. Step 2: Convert to fraction form
    748,141.19/1,122,369.61 = 242,662.92/x
  3. Step 3: Cross multiply
    748,141.19x = 1,122,369.61 × 242,662.92
  4. Step 4: Simplify right side
    748,141.19x = 272,357,482,521.31
  5. Step 5: Solve for x
    x = 272,357,482,521.31/748,141.19
  6. Step 6: Final answer
    x = 364,045.57

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Double scale
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Similar ratio
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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.