Home / 748,409.18-1,122,790.82-242,969.18

Finding the Fourth Proportional to 748,409.18, 1,122,790.82 and 242,969.18

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Solution

The fourth proportional to 748,409.18, 1,122,790.82 and 242,969.18 is: 364,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,409.18 : 1,122,790.82 = 242,969.18 : x
  2. Step 2: Convert to fraction form
    748,409.18/1,122,790.82 = 242,969.18/x
  3. Step 3: Cross multiply
    748,409.18x = 1,122,790.82 × 242,969.18
  4. Step 4: Simplify right side
    748,409.18x = 272,803,558,018.13
  5. Step 5: Solve for x
    x = 272,803,558,018.13/748,409.18
  6. Step 6: Final answer
    x = 364,511.24

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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.