Home / 346,621.80-519,932.70-339,623.40

Finding the Fourth Proportional to 346,621.80, 519,932.70 and 339,623.40

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Solution

The fourth proportional to 346,621.80, 519,932.70 and 339,623.40 is: 509,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,621.80 : 519,932.70 = 339,623.40 : x
  2. Step 2: Convert to fraction form
    346,621.80/519,932.70 = 339,623.40/x
  3. Step 3: Cross multiply
    346,621.80x = 519,932.70 × 339,623.40
  4. Step 4: Simplify right side
    346,621.80x = 176,581,311,345.18
  5. Step 5: Solve for x
    x = 176,581,311,345.18/346,621.80
  6. Step 6: Final answer
    x = 509,435.10

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1.5x scale

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.