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Finding the Fourth Proportional to 559,860.43, 840,275.93 and 293,808.91

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Solution

The fourth proportional to 559,860.43, 840,275.93 and 293,808.91 is: 440,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,860.43 : 840,275.93 = 293,808.91 : x
  2. Step 2: Convert to fraction form
    559,860.43/840,275.93 = 293,808.91/x
  3. Step 3: Cross multiply
    559,860.43x = 840,275.93 × 293,808.91
  4. Step 4: Simplify right side
    559,860.43x = 246,880,553,623.49
  5. Step 5: Solve for x
    x = 246,880,553,623.49/559,860.43
  6. Step 6: Final answer
    x = 440,968.03

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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.