Home / 763,477.80-1,144,925.10-230,821.80

Finding the Fourth Proportional to 763,477.80, 1,144,925.10 and 230,821.80

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Solution

The fourth proportional to 763,477.80, 1,144,925.10 and 230,821.80 is: 346,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,477.80 : 1,144,925.10 = 230,821.80 : x
  2. Step 2: Convert to fraction form
    763,477.80/1,144,925.10 = 230,821.80/x
  3. Step 3: Cross multiply
    763,477.80x = 1,144,925.10 × 230,821.80
  4. Step 4: Simplify right side
    763,477.80x = 264,273,672,447.18
  5. Step 5: Solve for x
    x = 264,273,672,447.18/763,477.80
  6. Step 6: Final answer
    x = 346,144.54

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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.