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Finding the Fourth Proportional to 440,327.92, 607,838.54 and 297,281.72

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Solution

The fourth proportional to 440,327.92, 607,838.54 and 297,281.72 is: 410,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,327.92 : 607,838.54 = 297,281.72 : x
  2. Step 2: Convert to fraction form
    440,327.92/607,838.54 = 297,281.72/x
  3. Step 3: Cross multiply
    440,327.92x = 607,838.54 × 297,281.72
  4. Step 4: Simplify right side
    440,327.92x = 180,699,286,653.49
  5. Step 5: Solve for x
    x = 180,699,286,653.49/440,327.92
  6. Step 6: Final answer
    x = 410,374.36

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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.