Home / 745,465.09-1,117,163.12-339,665.58

Finding the Fourth Proportional to 745,465.09, 1,117,163.12 and 339,665.58

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Solution

The fourth proportional to 745,465.09, 1,117,163.12 and 339,665.58 is: 509,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,465.09 : 1,117,163.12 = 339,665.58 : x
  2. Step 2: Convert to fraction form
    745,465.09/1,117,163.12 = 339,665.58/x
  3. Step 3: Cross multiply
    745,465.09x = 1,117,163.12 × 339,665.58
  4. Step 4: Simplify right side
    745,465.09x = 379,461,861,585.35
  5. Step 5: Solve for x
    x = 379,461,861,585.35/745,465.09
  6. Step 6: Final answer
    x = 509,027.00

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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.