Home / 584,056.50-805,997.97-315,784.50

Finding the Fourth Proportional to 584,056.50, 805,997.97 and 315,784.50

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Solution

The fourth proportional to 584,056.50, 805,997.97 and 315,784.50 is: 435,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,056.50 : 805,997.97 = 315,784.50 : x
  2. Step 2: Convert to fraction form
    584,056.50/805,997.97 = 315,784.50/x
  3. Step 3: Cross multiply
    584,056.50x = 805,997.97 × 315,784.50
  4. Step 4: Simplify right side
    584,056.50x = 254,521,665,957.47
  5. Step 5: Solve for x
    x = 254,521,665,957.47/584,056.50
  6. Step 6: Final answer
    x = 435,782.61

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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.