Home / 803,125.91-1,205,056.76-347,856.40

Finding the Fourth Proportional to 803,125.91, 1,205,056.76 and 347,856.40

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Solution

The fourth proportional to 803,125.91, 1,205,056.76 and 347,856.40 is: 521,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,125.91 : 1,205,056.76 = 347,856.40 : x
  2. Step 2: Convert to fraction form
    803,125.91/1,205,056.76 = 347,856.40/x
  3. Step 3: Cross multiply
    803,125.91x = 1,205,056.76 × 347,856.40
  4. Step 4: Simplify right side
    803,125.91x = 419,186,701,577.34
  5. Step 5: Solve for x
    x = 419,186,701,577.34/803,125.91
  6. Step 6: Final answer
    x = 521,943.94

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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.