Home / 607,835.10-838,811.67-339,563.10

Finding the Fourth Proportional to 607,835.10, 838,811.67 and 339,563.10

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Solution

The fourth proportional to 607,835.10, 838,811.67 and 339,563.10 is: 468,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,835.10 : 838,811.67 = 339,563.10 : x
  2. Step 2: Convert to fraction form
    607,835.10/838,811.67 = 339,563.10/x
  3. Step 3: Cross multiply
    607,835.10x = 838,811.67 × 339,563.10
  4. Step 4: Simplify right side
    607,835.10x = 284,829,490,981.38
  5. Step 5: Solve for x
    x = 284,829,490,981.38/607,835.10
  6. Step 6: Final answer
    x = 468,596.65

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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.