Home / 756,424.70-1,133,081.85-520,034.30

Finding the Fourth Proportional to 756,424.70, 1,133,081.85 and 520,034.30

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Solution

The fourth proportional to 756,424.70, 1,133,081.85 and 520,034.30 is: 778,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,424.70 : 1,133,081.85 = 520,034.30 : x
  2. Step 2: Convert to fraction form
    756,424.70/1,133,081.85 = 520,034.30/x
  3. Step 3: Cross multiply
    756,424.70x = 1,133,081.85 × 520,034.30
  4. Step 4: Simplify right side
    756,424.70x = 589,241,426,707.46
  5. Step 5: Solve for x
    x = 589,241,426,707.46/756,424.70
  6. Step 6: Final answer
    x = 778,982.27

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Double scale
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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.