Home / 807,013.30-1,210,001.55-333,886.90

Finding the Fourth Proportional to 807,013.30, 1,210,001.55 and 333,886.90

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Solution

The fourth proportional to 807,013.30, 1,210,001.55 and 333,886.90 is: 500,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,013.30 : 1,210,001.55 = 333,886.90 : x
  2. Step 2: Convert to fraction form
    807,013.30/1,210,001.55 = 333,886.90/x
  3. Step 3: Cross multiply
    807,013.30x = 1,210,001.55 × 333,886.90
  4. Step 4: Simplify right side
    807,013.30x = 404,003,666,524.70
  5. Step 5: Solve for x
    x = 404,003,666,524.70/807,013.30
  6. Step 6: Final answer
    x = 500,615.87

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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.