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Finding the Fourth Proportional to 434,777.70, 599,299.83 and 342,746.94

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Solution

The fourth proportional to 434,777.70, 599,299.83 and 342,746.94 is: 472,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,777.70 : 599,299.83 = 342,746.94 : x
  2. Step 2: Convert to fraction form
    434,777.70/599,299.83 = 342,746.94/x
  3. Step 3: Cross multiply
    434,777.70x = 599,299.83 × 342,746.94
  4. Step 4: Simplify right side
    434,777.70x = 205,408,182,875.02
  5. Step 5: Solve for x
    x = 205,408,182,875.02/434,777.70
  6. Step 6: Final answer
    x = 472,444.15

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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.