Home / 723,705.80-1,085,364.30-302,894.60

Finding the Fourth Proportional to 723,705.80, 1,085,364.30 and 302,894.60

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Solution

The fourth proportional to 723,705.80, 1,085,364.30 and 302,894.60 is: 454,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,705.80 : 1,085,364.30 = 302,894.60 : x
  2. Step 2: Convert to fraction form
    723,705.80/1,085,364.30 = 302,894.60/x
  3. Step 3: Cross multiply
    723,705.80x = 1,085,364.30 × 302,894.60
  4. Step 4: Simplify right side
    723,705.80x = 328,750,985,502.78
  5. Step 5: Solve for x
    x = 328,750,985,502.78/723,705.80
  6. Step 6: Final answer
    x = 454,260.54

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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.