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Finding the Fourth Proportional to 583,802.44, 875,712.30 and 385,393.48

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Solution

The fourth proportional to 583,802.44, 875,712.30 and 385,393.48 is: 578,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,802.44 : 875,712.30 = 385,393.48 : x
  2. Step 2: Convert to fraction form
    583,802.44/875,712.30 = 385,393.48/x
  3. Step 3: Cross multiply
    583,802.44x = 875,712.30 × 385,393.48
  4. Step 4: Simplify right side
    583,802.44x = 337,493,810,775.80
  5. Step 5: Solve for x
    x = 337,493,810,775.80/583,802.44
  6. Step 6: Final answer
    x = 578,095.92

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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.