Home / 756,263.96-1,134,392.86-306,981.03

Finding the Fourth Proportional to 756,263.96, 1,134,392.86 and 306,981.03

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Solution

The fourth proportional to 756,263.96, 1,134,392.86 and 306,981.03 is: 460,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,263.96 : 1,134,392.86 = 306,981.03 : x
  2. Step 2: Convert to fraction form
    756,263.96/1,134,392.86 = 306,981.03/x
  3. Step 3: Cross multiply
    756,263.96x = 1,134,392.86 × 306,981.03
  4. Step 4: Simplify right side
    756,263.96x = 348,237,088,587.45
  5. Step 5: Solve for x
    x = 348,237,088,587.45/756,263.96
  6. Step 6: Final answer
    x = 460,470.29

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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.