Home / 913,105.13-1,260,089.39-510,697.13

Finding the Fourth Proportional to 913,105.13, 1,260,089.39 and 510,697.13

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Solution

The fourth proportional to 913,105.13, 1,260,089.39 and 510,697.13 is: 704,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,105.13 : 1,260,089.39 = 510,697.13 : x
  2. Step 2: Convert to fraction form
    913,105.13/1,260,089.39 = 510,697.13/x
  3. Step 3: Cross multiply
    913,105.13x = 1,260,089.39 × 510,697.13
  4. Step 4: Simplify right side
    913,105.13x = 643,524,029,992.75
  5. Step 5: Solve for x
    x = 643,524,029,992.75/913,105.13
  6. Step 6: Final answer
    x = 704,764.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.