Home / 824,675.40-1,237,013.10-404,771.40

Finding the Fourth Proportional to 824,675.40, 1,237,013.10 and 404,771.40

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Solution

The fourth proportional to 824,675.40, 1,237,013.10 and 404,771.40 is: 607,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,675.40 : 1,237,013.10 = 404,771.40 : x
  2. Step 2: Convert to fraction form
    824,675.40/1,237,013.10 = 404,771.40/x
  3. Step 3: Cross multiply
    824,675.40x = 1,237,013.10 × 404,771.40
  4. Step 4: Simplify right side
    824,675.40x = 500,707,524,305.34
  5. Step 5: Solve for x
    x = 500,707,524,305.34/824,675.40
  6. Step 6: Final answer
    x = 607,157.10

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Double scale
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Similar ratio
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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.