Home / 756,456.63-1,134,688.59-223,987.74

Finding the Fourth Proportional to 756,456.63, 1,134,688.59 and 223,987.74

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Solution

The fourth proportional to 756,456.63, 1,134,688.59 and 223,987.74 is: 335,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,456.63 : 1,134,688.59 = 223,987.74 : x
  2. Step 2: Convert to fraction form
    756,456.63/1,134,688.59 = 223,987.74/x
  3. Step 3: Cross multiply
    756,456.63x = 1,134,688.59 × 223,987.74
  4. Step 4: Simplify right side
    756,456.63x = 254,156,332,877.89
  5. Step 5: Solve for x
    x = 254,156,332,877.89/756,456.63
  6. Step 6: Final answer
    x = 335,982.69

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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.