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Finding the Fourth Proportional to 493,456.40, 739,200.45 and 282,848.30

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Solution

The fourth proportional to 493,456.40, 739,200.45 and 282,848.30 is: 423,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,456.40 : 739,200.45 = 282,848.30 : x
  2. Step 2: Convert to fraction form
    493,456.40/739,200.45 = 282,848.30/x
  3. Step 3: Cross multiply
    493,456.40x = 739,200.45 × 282,848.30
  4. Step 4: Simplify right side
    493,456.40x = 209,081,590,641.74
  5. Step 5: Solve for x
    x = 209,081,590,641.74/493,456.40
  6. Step 6: Final answer
    x = 423,708.34

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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.