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Finding the Fourth Proportional to 648,089.73, 894,220.65 and 376,000.02

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Solution

The fourth proportional to 648,089.73, 894,220.65 and 376,000.02 is: 518,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,089.73 : 894,220.65 = 376,000.02 : x
  2. Step 2: Convert to fraction form
    648,089.73/894,220.65 = 376,000.02/x
  3. Step 3: Cross multiply
    648,089.73x = 894,220.65 × 376,000.02
  4. Step 4: Simplify right side
    648,089.73x = 336,226,982,284.41
  5. Step 5: Solve for x
    x = 336,226,982,284.41/648,089.73
  6. Step 6: Final answer
    x = 518,796.96

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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.